345250870615 has 80 divisors (see below), whose sum is σ = 506358057600. Its totient is φ = 225668491776.

The previous prime is 345250870609. The next prime is 345250870619. The reversal of 345250870615 is 516078052543.

It is not a de Polignac number, because 345250870615 - 2²³ = 345242482007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345250870619) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 27497179 + ... + 27509731.

It is an arithmetic number, because the mean of its divisors is an integer number (6329475720).

Almost surely, 2^345250870615 is an apocalyptic number.

345250870615 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

345250870615 is a deficient number, since it is larger than the sum of its proper divisors (161107186985).

345250870615 is an equidigital number, since it uses as much as digits as its factorization.

345250870615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12694 (or 12673 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 345250870615 in words is "three hundred forty-five billion, two hundred fifty million, eight hundred seventy thousand, six hundred fifteen".