397055578860 has 96 divisors (see below), whose sum is σ = 1235889170880. Its totient is φ = 105829618176.

The previous prime is 397055578847. The next prime is 397055578903. The reversal of 397055578860 is 68875550793.

397055578860 is a `hidden beast` number, since 3 + 9 + 7 + 0 + 55 + 578 + 8 + 6 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 929544 + ... + 1287696.

It is an arithmetic number, because the mean of its divisors is an integer number (12873845530).

Almost surely, 2^397055578860 is an apocalyptic number.

397055578860 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

397055578860 is an abundant number, since it is smaller than the sum of its proper divisors (838833592020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

397055578860 is a wasteful number, since it uses less digits than its factorization.

397055578860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360224 (or 360216 counting only the distinct ones).

The product of its (nonzero) digits is 63504000, while the sum is 63.

The spelling of 397055578860 in words is "three hundred ninety-seven billion, fifty-five million, five hundred seventy-eight thousand, eight hundred sixty".