69712539377 has 12 divisors (see below), whose sum is σ = 75508447644. Its totient is φ = 64332216000.

The previous prime is 69712539371. The next prime is 69712539397. The reversal of 69712539377 is 77393521796.

It can be written as a sum of positive squares in 6 ways, for example, as 2003815696 + 67708723681 = 44764^2 + 260209^2 .

It is not a de Polignac number, because 69712539377 - 2¹⁰ = 69712538353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69712539371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 575627 + ... + 686127.

It is an arithmetic number, because the mean of its divisors is an integer number (6292370637).

Almost surely, 2^69712539377 is an apocalyptic number.

It is an amenable number.

69712539377 is a deficient number, since it is larger than the sum of its proper divisors (5795908267).

69712539377 is a wasteful number, since it uses less digits than its factorization.

69712539377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114260 (or 114247 counting only the distinct ones).

The product of its digits is 15002820, while the sum is 59.

The spelling of 69712539377 in words is "sixty-nine billion, seven hundred twelve million, five hundred thirty-nine thousand, three hundred seventy-seven".