878772395 has 16 divisors (see below), whose sum is σ = 1079844480. Its totient is φ = 686219904.

The previous prime is 878772371. The next prime is 878772409. The reversal of 878772395 is 593277878.

It is a cyclic number.

It is not a de Polignac number, because 878772395 - 2²² = 874578091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 878772395.

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, 86609 + ... + 96221.

It is an arithmetic number, because the mean of its divisors is an integer number (67490280).

Almost surely, 2^878772395 is an apocalyptic number.

878772395 is a deficient number, since it is larger than the sum of its proper divisors (201072085).

878772395 is a wasteful number, since it uses less digits than its factorization.

878772395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10054.

The product of its digits is 5927040, while the sum is 56.

The square root of 878772395 is about 29644.0954491784. The cubic root of 878772395 is about 957.8381601835.

The spelling of 878772395 in words is "eight hundred seventy-eight million, seven hundred seventy-two thousand, three hundred ninety-five".