7973775960 has 32 divisors (see below), whose sum is σ = 23921328240. Its totient is φ = 2126340224.

The previous prime is 7973775947. The next prime is 7973776001. The reversal of 7973775960 is 695773797.

It is a super-2 number, since 2×7973775960² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 7973775894 and 7973775903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33223947 + ... + 33224186.

Almost surely, 2^7973775960 is an apocalyptic number.

It is an amenable number.

7973775960 is an abundant number, since it is smaller than the sum of its proper divisors (15947552280).

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

7973775960 is a wasteful number, since it uses less digits than its factorization.

7973775960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66448147 (or 66448143 counting only the distinct ones).

The product of its (nonzero) digits is 17503290, while the sum is 60.

The square root of 7973775960 is about 89296.0019261781. The cubic root of 7973775960 is about 1997.8122711271.

The spelling of 7973775960 in words is "seven billion, nine hundred seventy-three million, seven hundred seventy-five thousand, nine hundred sixty".