77167354809996 has 60 divisors (see below), whose sum is σ = 220069863727560. Its totient is φ = 23384046911040.

The previous prime is 77167354809991. The next prime is 77167354809997. The reversal of 77167354809996 is 69990845376177.

77167354809996 is a `hidden beast` number, since 7 + 7 + 1 + 67 + 3 + 548 + 0 + 9 + 9 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is not an unprimeable number, because it can be changed into a prime (77167354809991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10825944081 + ... + 10825951208.

It is an arithmetic number, because the mean of its divisors is an integer number (3667831062126).

Almost surely, 2^{77167354809996} is an apocalyptic number.

It is an amenable number.

77167354809996 is an abundant number, since it is smaller than the sum of its proper divisors (142902508917564).

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

77167354809996 is a wasteful number, since it uses less digits than its factorization.

77167354809996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21651895316 (or 21651895305 counting only the distinct ones).

The product of its (nonzero) digits is 4320812160, while the sum is 81.

The spelling of 77167354809996 in words is "seventy-seven trillion, one hundred sixty-seven billion, three hundred fifty-four million, eight hundred nine thousand, nine hundred ninety-six".