77868192000 has 144 divisors (see below), whose sum is σ = 258639518592. Its totient is φ = 20764825600.

The previous prime is 77868191981. The next prime is 77868192013. The reversal of 77868192000 is 29186877.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309564 + ... + 501563.

It is an arithmetic number, because the mean of its divisors is an integer number (1796107768).

Almost surely, 2^77868192000 is an apocalyptic number.

It is an amenable number.

77868192000 is an abundant number, since it is smaller than the sum of its proper divisors (180771326592).

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

77868192000 is an equidigital number, since it uses as much as digits as its factorization.

77868192000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811161 (or 811137 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 48.

The spelling of 77868192000 in words is "seventy-seven billion, eight hundred sixty-eight million, one hundred ninety-two thousand".