7857425342 has 16 divisors (see below), whose sum is σ = 12835383120. Its totient is φ = 3585755712.

The previous prime is 7857425341. The next prime is 7857425353. The reversal of 7857425342 is 2435247587.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7857425341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1695488 + ... + 1700115.

It is an arithmetic number, because the mean of its divisors is an integer number (802211445).

Almost surely, 2^7857425342 is an apocalyptic number.

7857425342 is a deficient number, since it is larger than the sum of its proper divisors (4977957778).

7857425342 is a wasteful number, since it uses less digits than its factorization.

7857425342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395707.

The product of its digits is 1881600, while the sum is 47.

The square root of 7857425342 is about 88642.1194579642. The cubic root of 7857425342 is about 1988.0474895440.

The spelling of 7857425342 in words is "seven billion, eight hundred fifty-seven million, four hundred twenty-five thousand, three hundred forty-two".