78002050770 has 48 divisors (see below), whose sum is σ = 231777524160. Its totient is φ = 17829040032.

The previous prime is 78002050769. The next prime is 78002050801. The reversal of 78002050770 is 7705020087.

78002050770 is a `hidden beast` number, since 7 + 80 + 0 + 2 + 0 + 507 + 70 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61905760 + ... + 61907019.

It is an arithmetic number, because the mean of its divisors is an integer number (4828698420).

Almost surely, 2^78002050770 is an apocalyptic number.

78002050770 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

78002050770 is an abundant number, since it is smaller than the sum of its proper divisors (153775473390).

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

78002050770 is a wasteful number, since it uses less digits than its factorization.

78002050770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123812799 (or 123812796 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 36.

The spelling of 78002050770 in words is "seventy-eight billion, two million, fifty thousand, seven hundred seventy".