76770444087 has 32 divisors (see below), whose sum is σ = 116055964160. Its totient is φ = 50144702400.

The previous prime is 76770444083. The next prime is 76770444151. The reversal of 76770444087 is 78044407767.

It is not a de Polignac number, because 76770444087 - 2² = 76770444083 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76770444083) 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 31 ways as a sum of consecutive naturals, for example, 168648 + ... + 426594.

It is an arithmetic number, because the mean of its divisors is an integer number (3626748880).

Almost surely, 2^76770444087 is an apocalyptic number.

76770444087 is a deficient number, since it is larger than the sum of its proper divisors (39285520073).

76770444087 is a wasteful number, since it uses less digits than its factorization.

76770444087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258180 (or 258174 counting only the distinct ones).

The product of its (nonzero) digits is 7375872, while the sum is 54.

The spelling of 76770444087 in words is "seventy-six billion, seven hundred seventy million, four hundred forty-four thousand, eighty-seven".