76452873985 has 4 divisors (see below), whose sum is σ = 91743448788. Its totient is φ = 61162299184.

The previous prime is 76452873953. The next prime is 76452874019. The reversal of 76452873985 is 58937825467.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11062201329 + 65390672656 = 105177^2 + 255716^2 .

It is a cyclic number.

It is not a de Polignac number, because 76452873985 - 2⁵ = 76452873953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7645287394 + ... + 7645287403.

It is an arithmetic number, because the mean of its divisors is an integer number (22935862197).

Almost surely, 2^76452873985 is an apocalyptic number.

It is an amenable number.

76452873985 is a deficient number, since it is larger than the sum of its proper divisors (15290574803).

76452873985 is a wasteful number, since it uses less digits than its factorization.

76452873985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15290574802.

The product of its digits is 101606400, while the sum is 64.

The spelling of 76452873985 in words is "seventy-six billion, four hundred fifty-two million, eight hundred seventy-three thousand, nine hundred eighty-five".