345887761615 has 16 divisors (see below), whose sum is σ = 452809958400. Its totient is φ = 251548383520.

The previous prime is 345887761519. The next prime is 345887761631. The reversal of 345887761615 is 516167788543.

It is a de Polignac number, because none of the positive numbers 2^k-345887761615 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4105686 + ... + 4189084.

It is an arithmetic number, because the mean of its divisors is an integer number (28300622400).

Almost surely, 2^345887761615 is an apocalyptic number.

345887761615 is a deficient number, since it is larger than the sum of its proper divisors (106922196785).

345887761615 is a wasteful number, since it uses less digits than its factorization.

345887761615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158822.

The product of its digits is 33868800, while the sum is 61.

The spelling of 345887761615 in words is "three hundred forty-five billion, eight hundred eighty-seven million, seven hundred sixty-one thousand, six hundred fifteen".