85642711013770 has 16 divisors (see below), whose sum is σ = 155138770781928. Its totient is φ = 34038886415040.

The previous prime is 85642711013749. The next prime is 85642711013773. The reversal of 85642711013770 is 7731011724658.

It can be written as a sum of positive squares in 4 ways, for example, as 82150458288721 + 3492252725049 = 9063689^2 + 1868757^2 .

It is a super-2 number, since 2×85642711013770² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85642711013773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27274747161 + ... + 27274750300.

Almost surely, 2^{85642711013770} is an apocalyptic number.

85642711013770 is a deficient number, since it is larger than the sum of its proper divisors (69496059768158).

85642711013770 is a wasteful number, since it uses less digits than its factorization.

85642711013770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54549497625.

The product of its (nonzero) digits is 1975680, while the sum is 52.

The spelling of 85642711013770 in words is "eighty-five trillion, six hundred forty-two billion, seven hundred eleven million, thirteen thousand, seven hundred seventy".