78880000570 has 48 divisors (see below), whose sum is σ = 166680451080. Its totient is φ = 26796438144.

The previous prime is 78880000553. The next prime is 78880000571. The reversal of 78880000570 is 7500008887.

It can be written as a sum of positive squares in 4 ways, for example, as 72490716081 + 6389284489 = 269241^2 + 79933^2 .

It is not an unprimeable number, because it can be changed into a prime (78880000571) 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 23 ways as a sum of consecutive naturals, for example, 685029 + ... + 791848.

Almost surely, 2^78880000570 is an apocalyptic number.

78880000570 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

78880000570 is an abundant number, since it is smaller than the sum of its proper divisors (87800450510).

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

78880000570 is a wasteful number, since it uses less digits than its factorization.

78880000570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477007 (or 1477000 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 43.

The spelling of 78880000570 in words is "seventy-eight billion, eight hundred eighty million, five hundred seventy", and thus it is an aban number.