76774382712 has 32 divisors (see below), whose sum is σ = 213262174800. Its totient is φ = 25591460832.

The previous prime is 76774382683. The next prime is 76774382719. The reversal of 76774382712 is 21728347767.

76774382712 is a `hidden beast` number, since 76 + 77 + 438 + 2 + 71 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76774382719) 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, 177718263 + ... + 177718694.

Almost surely, 2^76774382712 is an apocalyptic number.

76774382712 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

76774382712 is an abundant number, since it is smaller than the sum of its proper divisors (136487792088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76774382712 is a wasteful number, since it uses less digits than its factorization.

76774382712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355436972 (or 355436962 counting only the distinct ones).

The product of its digits is 5531904, while the sum is 54.

The spelling of 76774382712 in words is "seventy-six billion, seven hundred seventy-four million, three hundred eighty-two thousand, seven hundred twelve".