61707329275 has 6 divisors (see below), whose sum is σ = 76517088332. Its totient is φ = 49365863400.

The previous prime is 61707329239. The next prime is 61707329329. The reversal of 61707329275 is 57292370716.

It is a de Polignac number, because none of the positive numbers 2^k-61707329275 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1234146561 + ... + 1234146610.

Almost surely, 2^61707329275 is an apocalyptic number.

61707329275 is a deficient number, since it is larger than the sum of its proper divisors (14809759057).

61707329275 is a wasteful number, since it uses less digits than its factorization.

61707329275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468293181 (or 2468293176 counting only the distinct ones).

The product of its (nonzero) digits is 1111320, while the sum is 49.

The spelling of 61707329275 in words is "sixty-one billion, seven hundred seven million, three hundred twenty-nine thousand, two hundred seventy-five".