82137069705 has 16 divisors (see below), whose sum is σ = 131423022144. Its totient is φ = 43805200320.

The previous prime is 82137069691. The next prime is 82137069731. The reversal of 82137069705 is 50796073128.

It is not a de Polignac number, because 82137069705 - 2⁸ = 82137069449 is a prime.

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, 774282 + ... + 873948.

It is an arithmetic number, because the mean of its divisors is an integer number (8213938884).

Almost surely, 2^82137069705 is an apocalyptic number.

It is an amenable number.

82137069705 is a deficient number, since it is larger than the sum of its proper divisors (49285952439).

82137069705 is a wasteful number, since it uses less digits than its factorization.

82137069705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154616.

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 82137069705 in words is "eighty-two billion, one hundred thirty-seven million, sixty-nine thousand, seven hundred five".