78952870 has 16 divisors (see below), whose sum is σ = 142745328. Its totient is φ = 31441120.

The previous prime is 78952843. The next prime is 78952871. The reversal of 78952870 is 7825987.

It is a self number, because there is not a number n which added to its sum of digits gives 78952870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78952871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15121 + ... + 19660.

It is an arithmetic number, because the mean of its divisors is an integer number (8921583).

Almost surely, 2^78952870 is an apocalyptic number.

78952870 is a deficient number, since it is larger than the sum of its proper divisors (63792458).

78952870 is a wasteful number, since it uses less digits than its factorization.

78952870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35015.

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 78952870 is about 8885.5427521339. The cubic root of 78952870 is about 428.9986977500.

The spelling of 78952870 in words is "seventy-eight million, nine hundred fifty-two thousand, eight hundred seventy".