76536181957 has 16 divisors (see below), whose sum is σ = 81998683200. Its totient is φ = 71219174400.

The previous prime is 76536181937. The next prime is 76536181973. The reversal of 76536181957 is 75918163567.

It is a happy number.

It is not a de Polignac number, because 76536181957 - 2⁷ = 76536181829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76536181907) 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, 1336207 + ... + 1392307.

It is an arithmetic number, because the mean of its divisors is an integer number (5124917700).

Almost surely, 2^76536181957 is an apocalyptic number.

It is an amenable number.

76536181957 is a deficient number, since it is larger than the sum of its proper divisors (5462501243).

76536181957 is a wasteful number, since it uses less digits than its factorization.

76536181957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57396.

The product of its digits is 9525600, while the sum is 58.

The spelling of 76536181957 in words is "seventy-six billion, five hundred thirty-six million, one hundred eighty-one thousand, nine hundred fifty-seven".