76984515641 has 16 divisors (see below), whose sum is σ = 85423464000. Its totient is φ = 68786097600.

The previous prime is 76984515593. The next prime is 76984515661. The reversal of 76984515641 is 14651548967.

It is not a de Polignac number, because 76984515641 - 2¹⁴ = 76984499257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76984515661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4761431 + ... + 4777571.

It is an arithmetic number, because the mean of its divisors is an integer number (5338966500).

Almost surely, 2^76984515641 is an apocalyptic number.

It is an amenable number.

76984515641 is a deficient number, since it is larger than the sum of its proper divisors (8438948359).

76984515641 is a wasteful number, since it uses less digits than its factorization.

76984515641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23560.

The product of its digits is 7257600, while the sum is 56.

The spelling of 76984515641 in words is "seventy-six billion, nine hundred eighty-four million, five hundred fifteen thousand, six hundred forty-one".