7957901342 has 4 divisors (see below), whose sum is σ = 11936852016. Its totient is φ = 3978950670.

The previous prime is 7957901333. The next prime is 7957901363. The reversal of 7957901342 is 2431097597.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2431097597 = 17 ⋅143005741.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1989475334 + ... + 1989475337.

It is an arithmetic number, because the mean of its divisors is an integer number (2984213004).

Almost surely, 2^7957901342 is an apocalyptic number.

7957901342 is a deficient number, since it is larger than the sum of its proper divisors (3978950674).

7957901342 is a wasteful number, since it uses less digits than its factorization.

7957901342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3978950673.

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 7957901342 is about 89207.0700225044. The cubic root of 7957901342 is about 1996.4856066368.

The spelling of 7957901342 in words is "seven billion, nine hundred fifty-seven million, nine hundred one thousand, three hundred forty-two".