7957693906 has 8 divisors (see below), whose sum is σ = 11936920320. Its totient is φ = 3978720468.

The previous prime is 7957693871. The next prime is 7957693967. The reversal of 7957693906 is 6093967597.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83455 + ... + 151261.

It is an arithmetic number, because the mean of its divisors is an integer number (1492115040).

Almost surely, 2^7957693906 is an apocalyptic number.

7957693906 is a deficient number, since it is larger than the sum of its proper divisors (3979226414).

7957693906 is a wasteful number, since it uses less digits than its factorization.

7957693906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126488.

The product of its (nonzero) digits is 19289340, while the sum is 61.

The square root of 7957693906 is about 89205.9073492333. The cubic root of 7957693906 is about 1996.4682592413.

The spelling of 7957693906 in words is "seven billion, nine hundred fifty-seven million, six hundred ninety-three thousand, nine hundred six".