99904767 has 8 divisors (see below), whose sum is σ = 141042096. Its totient is φ = 62685312.

The previous prime is 99904757. The next prime is 99904799. The reversal of 99904767 is 76740999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99904767 - 2⁶ = 99904703 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 1958917 = 99904767 / (9 + 9 + 9 + 0 + 4 + 7 + 6 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99904757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 979408 + ... + 979509.

It is an arithmetic number, because the mean of its divisors is an integer number (17630262).

Almost surely, 2^99904767 is an apocalyptic number.

99904767 is a deficient number, since it is larger than the sum of its proper divisors (41137329).

99904767 is a wasteful number, since it uses less digits than its factorization.

99904767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958937.

The product of its (nonzero) digits is 857304, while the sum is 51.

The square root of 99904767 is about 9995.2372157943. The cubic root of 99904767 is about 464.0114924200.

The spelling of 99904767 in words is "ninety-nine million, nine hundred four thousand, seven hundred sixty-seven".