76894849631 has 16 divisors (see below), whose sum is σ = 85680355200. Its totient is φ = 68700024288.

The previous prime is 76894849609. The next prime is 76894849649. The reversal of 76894849631 is 13694849867.

It is not a de Polignac number, because 76894849631 - 2¹⁴ = 76894833247 is a prime.

It is a super-2 number, since 2×76894849631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76894849331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1599041 + ... + 1646426.

It is an arithmetic number, because the mean of its divisors is an integer number (5355022200).

Almost surely, 2^76894849631 is an apocalyptic number.

76894849631 is a deficient number, since it is larger than the sum of its proper divisors (8785505569).

76894849631 is a wasteful number, since it uses less digits than its factorization.

76894849631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245558.

The product of its digits is 62705664, while the sum is 65.

The spelling of 76894849631 in words is "seventy-six billion, eight hundred ninety-four million, eight hundred forty-nine thousand, six hundred thirty-one".