7899315375 has 64 divisors (see below), whose sum is σ = 15506989056. Its totient is φ = 3494592000.

The previous prime is 7899315371. The next prime is 7899315401. The reversal of 7899315375 is 5735139987.

It is not a de Polignac number, because 7899315375 - 2² = 7899315371 is a prime.

It is a super-2 number, since 2×7899315375² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7899315371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32839 + ... + 129911.

It is an arithmetic number, because the mean of its divisors is an integer number (242296704).

Almost surely, 2^7899315375 is an apocalyptic number.

7899315375 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

7899315375 is a deficient number, since it is larger than the sum of its proper divisors (7607673681).

7899315375 is a wasteful number, since it uses less digits than its factorization.

7899315375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97129 (or 97119 counting only the distinct ones).

The product of its digits is 7144200, while the sum is 57.

The square root of 7899315375 is about 88878.0927731913. The cubic root of 7899315375 is about 1991.5741671024.

The spelling of 7899315375 in words is "seven billion, eight hundred ninety-nine million, three hundred fifteen thousand, three hundred seventy-five".