76388881325 has 12 divisors (see below), whose sum is σ = 95591227380. Its totient is φ = 60550450560.

The previous prime is 76388881321. The next prime is 76388881337. The reversal of 76388881325 is 52318888367.

It can be written as a sum of positive squares in 6 ways, for example, as 1860973321 + 74527908004 = 43139^2 + 272998^2 .

It is not a de Polignac number, because 76388881325 - 2² = 76388881321 is a prime.

It is a super-2 number, since 2×76388881325² (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 (76388881321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14013584 + ... + 14019033.

It is an arithmetic number, because the mean of its divisors is an integer number (7965935615).

Almost surely, 2^76388881325 is an apocalyptic number.

It is an amenable number.

76388881325 is a deficient number, since it is larger than the sum of its proper divisors (19202346055).

76388881325 is a wasteful number, since it uses less digits than its factorization.

76388881325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28032736 (or 28032731 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 59.

The spelling of 76388881325 in words is "seventy-six billion, three hundred eighty-eight million, eight hundred eighty-one thousand, three hundred twenty-five".