869762520712 has 8 divisors (see below), whose sum is σ = 1630804726350. Its totient is φ = 434881260352.

The previous prime is 869762520707. The next prime is 869762520713. The reversal of 869762520712 is 217025267968.

It can be written as a sum of positive squares in only one way, i.e., 617692252356 + 252070268356 = 785934^2 + 502066^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (869762520713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54360157537 + ... + 54360157552.

Almost surely, 2^869762520712 is an apocalyptic number.

It is an amenable number.

869762520712 is a deficient number, since it is larger than the sum of its proper divisors (761042205638).

869762520712 is a wasteful number, since it uses less digits than its factorization.

869762520712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108720315095 (or 108720315091 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 869762520712 in words is "eight hundred sixty-nine billion, seven hundred sixty-two million, five hundred twenty thousand, seven hundred twelve".