76623087 has 4 divisors (see below), whose sum is σ = 102164120. Its totient is φ = 51082056.

The previous prime is 76623083. The next prime is 76623089. The reversal of 76623087 is 78032667.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 76623087 - 2² = 76623083 is a prime.

It is a super-2 number, since 2×76623087² = 11742194922819138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76623083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12770512 + ... + 12770517.

It is an arithmetic number, because the mean of its divisors is an integer number (25541030).

Almost surely, 2^76623087 is an apocalyptic number.

76623087 is a deficient number, since it is larger than the sum of its proper divisors (25541033).

76623087 is a wasteful number, since it uses less digits than its factorization.

76623087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25541032.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 76623087 is about 8753.4614296289. The cubic root of 76623087 is about 424.7367911190.

The spelling of 76623087 in words is "seventy-six million, six hundred twenty-three thousand, eighty-seven".