342157715397 has 24 divisors (see below), whose sum is σ = 496482377664. Its totient is φ = 227064890304.

The previous prime is 342157715357. The next prime is 342157715437. The reversal of 342157715397 is 793517751243.

342157715397 is a `hidden beast` number, since 3 + 4 + 21 + 577 + 15 + 39 + 7 = 666.

342157715397 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (342157715357) and next prime (342157715437).

It is not a de Polignac number, because 342157715397 - 2¹⁹ = 342157191109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342157715357) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23248113 + ... + 23262825.

It is an arithmetic number, because the mean of its divisors is an integer number (20686765736).

Almost surely, 2^342157715397 is an apocalyptic number.

It is an amenable number.

342157715397 is a deficient number, since it is larger than the sum of its proper divisors (154324662267).

342157715397 is a wasteful number, since it uses less digits than its factorization.

342157715397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26329 (or 26326 counting only the distinct ones).

The product of its digits is 5556600, while the sum is 54.

The spelling of 342157715397 in words is "three hundred forty-two billion, one hundred fifty-seven million, seven hundred fifteen thousand, three hundred ninety-seven".