76984756905 has 32 divisors (see below), whose sum is σ = 145313169408. Its totient is φ = 34057771200.

The previous prime is 76984756879. The next prime is 76984756907. The reversal of 76984756905 is 50965748967.

It is not a de Polignac number, because 76984756905 - 2⁹ = 76984756393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76984756907) 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, 11822361 + ... + 11828870.

It is an arithmetic number, because the mean of its divisors is an integer number (4541036544).

Almost surely, 2^76984756905 is an apocalyptic number.

It is an amenable number.

76984756905 is a deficient number, since it is larger than the sum of its proper divisors (68328412503).

76984756905 is a wasteful number, since it uses less digits than its factorization.

76984756905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23651277.

The product of its (nonzero) digits is 114307200, while the sum is 66.

The spelling of 76984756905 in words is "seventy-six billion, nine hundred eighty-four million, seven hundred fifty-six thousand, nine hundred five".