2078655788 has 24 divisors (see below), whose sum is σ = 3971251200. Its totient is φ = 944151120.

The previous prime is 2078655779. The next prime is 2078655791. The reversal of 2078655788 is 8875568702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46013 + ... + 79211.

It is an arithmetic number, because the mean of its divisors is an integer number (165468800).

Almost surely, 2^2078655788 is an apocalyptic number.

It is an amenable number.

2078655788 is a deficient number, since it is larger than the sum of its proper divisors (1892595412).

2078655788 is a wasteful number, since it uses less digits than its factorization.

2078655788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34637 (or 34635 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 56.

The square root of 2078655788 is about 45592.2777233163. The cubic root of 2078655788 is about 1276.2258184994.

The spelling of 2078655788 in words is "two billion, seventy-eight million, six hundred fifty-five thousand, seven hundred eighty-eight".