76904320051 has 4 divisors (see below), whose sum is σ = 82820036992. Its totient is φ = 70988603112.

The previous prime is 76904320049. The next prime is 76904320081. The reversal of 76904320051 is 15002340967.

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

It is a cyclic number.

It is not a de Polignac number, because 76904320051 - 2¹ = 76904320049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76904320021) 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, 2957858451 + ... + 2957858476.

It is an arithmetic number, because the mean of its divisors is an integer number (20705009248).

Almost surely, 2^76904320051 is an apocalyptic number.

76904320051 is a deficient number, since it is larger than the sum of its proper divisors (5915716941).

76904320051 is a wasteful number, since it uses less digits than its factorization.

76904320051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5915716940.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 76904320051 in words is "seventy-six billion, nine hundred four million, three hundred twenty thousand, fifty-one".