397913679360 has 800 divisors, whose sum is σ = 1465004483712. Its totient is φ = 103195607040.

The previous prime is 397913679329. The next prime is 397913679403. The reversal of 397913679360 is 63976319793.

397913679360 is a `hidden beast` number, since 3 + 9 + 79 + 136 + 79 + 360 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1468316025 + ... + 1468316295.

Almost surely, 2^397913679360 is an apocalyptic number.

397913679360 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397913679360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (732502241856).

397913679360 is an abundant number, since it is smaller than the sum of its proper divisors (1067090804352).

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

397913679360 is an equidigital number, since it uses as much as digits as its factorization.

397913679360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 34720812, while the sum is 63.

The spelling of 397913679360 in words is "three hundred ninety-seven billion, nine hundred thirteen million, six hundred seventy-nine thousand, three hundred sixty".