76231733323978 has 16 divisors (see below), whose sum is σ = 115191351316584. Its totient is φ = 37835103234240.

The previous prime is 76231733323973. The next prime is 76231733324029. The reversal of 76231733323978 is 87932333713267.

It can be written as a sum of positive squares in 4 ways, for example, as 48992342299209 + 27239391024769 = 6999453^2 + 5219137^2 .

It is a super-2 number, since 2×76231733323978² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76231733323973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121440313 + ... + 122066428.

Almost surely, 2^{76231733323978} is an apocalyptic number.

76231733323978 is a deficient number, since it is larger than the sum of its proper divisors (38959617992606).

76231733323978 is a wasteful number, since it uses less digits than its factorization.

76231733323978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243507897.

The product of its digits is 144027072, while the sum is 64.

The spelling of 76231733323978 in words is "seventy-six trillion, two hundred thirty-one billion, seven hundred thirty-three million, three hundred twenty-three thousand, nine hundred seventy-eight".