77893070 has 16 divisors (see below), whose sum is σ = 140330880. Its totient is φ = 31129824.

The previous prime is 77893069. The next prime is 77893091. The reversal of 77893070 is 7039877.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11684 + ... + 17096.

It is an arithmetic number, because the mean of its divisors is an integer number (8770680).

Almost surely, 2^77893070 is an apocalyptic number.

77893070 is a deficient number, since it is larger than the sum of its proper divisors (62437810).

77893070 is a wasteful number, since it uses less digits than its factorization.

77893070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6859.

The product of its (nonzero) digits is 74088, while the sum is 41.

The square root of 77893070 is about 8825.7050709844. The cubic root of 77893070 is about 427.0705329867.

The spelling of 77893070 in words is "seventy-seven million, eight hundred ninety-three thousand, seventy".