397658067480 has 96 divisors (see below), whose sum is σ = 1292551603200. Its totient is φ = 106028786688.

The previous prime is 397658067463. The next prime is 397658067491. The reversal of 397658067480 is 84760856793.

397658067480 is a `hidden beast` number, since 3 + 9 + 7 + 6 + 580 + 6 + 7 + 48 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2975536 + ... + 3106304.

It is an arithmetic number, because the mean of its divisors is an integer number (13464079200).

Almost surely, 2^397658067480 is an apocalyptic number.

397658067480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

397658067480 is an abundant number, since it is smaller than the sum of its proper divisors (894893535720).

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

397658067480 is a wasteful number, since it uses less digits than its factorization.

397658067480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139233 (or 139226 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 63.

The spelling of 397658067480 in words is "three hundred ninety-seven billion, six hundred fifty-eight million, sixty-seven thousand, four hundred eighty".