76755555131 has 4 divisors (see below), whose sum is σ = 78830029632. Its totient is φ = 74681080632.

The previous prime is 76755555073. The next prime is 76755555133. The reversal of 76755555131 is 13155555767.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13155555767 = 367 ⋅35846201.

It is a cyclic number.

It is not a de Polignac number, because 76755555131 - 2²⁶ = 76688446267 is a prime.

It is a super-2 number, since 2×76755555131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76755555131.

It is not an unprimeable number, because it can be changed into a prime (76755555133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1037237195 + ... + 1037237268.

It is an arithmetic number, because the mean of its divisors is an integer number (19707507408).

Almost surely, 2^76755555131 is an apocalyptic number.

76755555131 is a deficient number, since it is larger than the sum of its proper divisors (2074474501).

76755555131 is a wasteful number, since it uses less digits than its factorization.

76755555131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074474500.

The product of its digits is 2756250, while the sum is 50.

The spelling of 76755555131 in words is "seventy-six billion, seven hundred fifty-five million, five hundred fifty-five thousand, one hundred thirty-one".