76037747877 has 72 divisors (see below), whose sum is σ = 139848366840. Its totient is φ = 39450136320.

The previous prime is 76037747873. The next prime is 76037747893. The reversal of 76037747877 is 77874773067.

76037747877 is a `hidden beast` number, since 7 + 60 + 37 + 7 + 478 + 77 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 346183236 + 75691564641 = 18606^2 + 275121^2 .

It is not a de Polignac number, because 76037747877 - 2² = 76037747873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76037747873) 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 71 ways as a sum of consecutive naturals, for example, 240999 + ... + 458427.

Almost surely, 2^76037747877 is an apocalyptic number.

It is an amenable number.

76037747877 is a deficient number, since it is larger than the sum of its proper divisors (63810618963).

76037747877 is a wasteful number, since it uses less digits than its factorization.

76037747877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217523 (or 217513 counting only the distinct ones).

The product of its (nonzero) digits is 67765824, while the sum is 63.

The spelling of 76037747877 in words is "seventy-six billion, thirty-seven million, seven hundred forty-seven thousand, eight hundred seventy-seven".