76932470847 has 32 divisors (see below), whose sum is σ = 110531872000. Its totient is φ = 47439447552.

The previous prime is 76932470827. The next prime is 76932470893. The reversal of 76932470847 is 74807423967.

It is not a de Polignac number, because 76932470847 - 2¹⁶ = 76932405311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76932470827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7968279 + ... + 7977927.

It is an arithmetic number, because the mean of its divisors is an integer number (3454121000).

Almost surely, 2^76932470847 is an apocalyptic number.

76932470847 is a deficient number, since it is larger than the sum of its proper divisors (33599401153).

76932470847 is a wasteful number, since it uses less digits than its factorization.

76932470847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12967.

The product of its (nonzero) digits is 14224896, while the sum is 57.

The spelling of 76932470847 in words is "seventy-six billion, nine hundred thirty-two million, four hundred seventy thousand, eight hundred forty-seven".