786978352 has 20 divisors (see below), whose sum is σ = 1525359960. Its totient is φ = 393337088.

The previous prime is 786978349. The next prime is 786978371. The reversal of 786978352 is 253879687.

It is a junction number, because it is equal to n+sod(n) for n = 786978293 and 786978302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41463 + ... + 57385.

It is an arithmetic number, because the mean of its divisors is an integer number (76267998).

Almost surely, 2^786978352 is an apocalyptic number.

It is an amenable number.

786978352 is a deficient number, since it is larger than the sum of its proper divisors (738381608).

786978352 is a wasteful number, since it uses less digits than its factorization.

786978352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19020 (or 19014 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 55.

The square root of 786978352 is about 28053.1344416270. The cubic root of 786978352 is about 923.2534276695.

The spelling of 786978352 in words is "seven hundred eighty-six million, nine hundred seventy-eight thousand, three hundred fifty-two".