7893749975 has 36 divisors (see below), whose sum is σ = 10672810200. Its totient is φ = 5768703360.

The previous prime is 7893749951. The next prime is 7893749977. The reversal of 7893749975 is 5799473987.

It is not a de Polignac number, because 7893749975 - 2¹⁴ = 7893733591 is a prime.

It is a super-2 number, since 2×7893749975² (a number of 21 digits) contains 22 as substring.

Its product of digits (120022560) is a multiple of the sum of its prime divisors (810).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7893749977) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10427297 + ... + 10428053.

It is an arithmetic number, because the mean of its divisors is an integer number (296466950).

Almost surely, 2^7893749975 is an apocalyptic number.

7893749975 is a deficient number, since it is larger than the sum of its proper divisors (2779060225).

7893749975 is an equidigital number, since it uses as much as digits as its factorization.

7893749975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572 (or 810 counting only the distinct ones).

The product of its digits is 120022560, while the sum is 68.

The square root of 7893749975 is about 88846.7780788927. The cubic root of 7893749975 is about 1991.1063412893.

The spelling of 7893749975 in words is "seven billion, eight hundred ninety-three million, seven hundred forty-nine thousand, nine hundred seventy-five".