678937496 has 8 divisors (see below), whose sum is σ = 1273007820. Its totient is φ = 339468744.

The previous prime is 678937487. The next prime is 678937537. The reversal of 678937496 is 694739876.

678937496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×678937496² = 921912246949500032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42433586 + ... + 42433601.

Almost surely, 2^678937496 is an apocalyptic number.

It is an amenable number.

678937496 is a deficient number, since it is larger than the sum of its proper divisors (594070324).

678937496 is a wasteful number, since it uses less digits than its factorization.

678937496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84867193 (or 84867189 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 59.

The square root of 678937496 is about 26056.4290723038. The cubic root of 678937496 is about 878.9076908642.

The spelling of 678937496 in words is "six hundred seventy-eight million, nine hundred thirty-seven thousand, four hundred ninety-six".