77177555240112 has 60 divisors (see below), whose sum is σ = 223989591917000. Its totient is φ = 25725851745408.

The previous prime is 77177555240053. The next prime is 77177555240143. The reversal of 77177555240112 is 21104255577177.

77177555240112 is a `hidden beast` number, since 7 + 7 + 1 + 7 + 75 + 552 + 4 + 0 + 1 + 12 = 666.

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

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 9925093237 + ... + 9925101012.

Almost surely, 2^{77177555240112} is an apocalyptic number.

77177555240112 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

77177555240112 is an abundant number, since it is smaller than the sum of its proper divisors (146812036676888).

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

77177555240112 is a wasteful number, since it uses less digits than its factorization.

77177555240112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19850194272 (or 19850194254 counting only the distinct ones).

The product of its (nonzero) digits is 4802000, while the sum is 54.

The spelling of 77177555240112 in words is "seventy-seven trillion, one hundred seventy-seven billion, five hundred fifty-five million, two hundred forty thousand, one hundred twelve".