30875696397 has 192 divisors, whose sum is σ = 59677632000. Its totient is φ = 15819463296.

The previous prime is 30875696381. The next prime is 30875696399. The reversal of 30875696397 is 79369657803.

30875696397 is a `hidden beast` number, since 3 + 0 + 8 + 7 + 569 + 63 + 9 + 7 = 666.

It is not a de Polignac number, because 30875696397 - 2⁴ = 30875696381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30875696399) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 51545104 + ... + 51545702.

It is an arithmetic number, because the mean of its divisors is an integer number (310821000).

Almost surely, 2^30875696397 is an apocalyptic number.

30875696397 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

30875696397 is a deficient number, since it is larger than the sum of its proper divisors (28801935603).

30875696397 is an equidigital number, since it uses as much as digits as its factorization.

30875696397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684 (or 659 counting only the distinct ones).

The product of its (nonzero) digits is 51438240, while the sum is 63.

The spelling of 30875696397 in words is "thirty billion, eight hundred seventy-five million, six hundred ninety-six thousand, three hundred ninety-seven".