397516184678115 has 256 divisors, whose sum is σ = 724791210393600. Its totient is φ = 206655249715200.

The previous prime is 397516184678027. The next prime is 397516184678203. The reversal of 397516184678115 is 511876481615793.

397516184678115 is a `hidden beast` number, since 3 + 9 + 7 + 516 + 18 + 4 + 6 + 7 + 81 + 15 = 666.

It is an interprime number because it is at equal distance from previous prime (397516184678027) and next prime (397516184678203).

It is not a de Polignac number, because 397516184678115 - 2¹⁸ = 397516184415971 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 490155591060 + ... + 490155591870.

It is an arithmetic number, because the mean of its divisors is an integer number (2831215665600).

Almost surely, 2^{397516184678115} is an apocalyptic number.

397516184678115 is a deficient number, since it is larger than the sum of its proper divisors (327275025715485).

397516184678115 is a wasteful number, since it uses less digits than its factorization.

397516184678115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075 (or 2069 counting only the distinct ones).

The product of its digits is 304819200, while the sum is 72.

The spelling of 397516184678115 in words is "three hundred ninety-seven trillion, five hundred sixteen billion, one hundred eighty-four million, six hundred seventy-eight thousand, one hundred fifteen".