85762138664 has 16 divisors (see below), whose sum is σ = 160810319220. Its totient is φ = 42879386880.

The previous prime is 85762138661. The next prime is 85762138667. The reversal of 85762138664 is 46683126758.

It is an interprime number because it is at equal distance from previous prime (85762138661) and next prime (85762138667).

It can be written as a sum of positive squares in 2 ways, for example, as 84249706564 + 1512432100 = 290258^2 + 38890^2 .

It is not an unprimeable number, because it can be changed into a prime (85762138661) 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 3 ways as a sum of consecutive naturals, for example, 21344 + ... + 414704.

Almost surely, 2^85762138664 is an apocalyptic number.

It is an amenable number.

85762138664 is a deficient number, since it is larger than the sum of its proper divisors (75048180556).

85762138664 is a wasteful number, since it uses less digits than its factorization.

85762138664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420620 (or 420616 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 56.

The spelling of 85762138664 in words is "eighty-five billion, seven hundred sixty-two million, one hundred thirty-eight thousand, six hundred sixty-four".