85886613770 has 16 divisors (see below), whose sum is σ = 154599592680. Its totient is φ = 34353825984.

The previous prime is 85886613749. The next prime is 85886613779. The reversal of 85886613770 is 7731668858.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 81580498129 + 4306115641 = 285623^2 + 65621^2 .

It is a super-2 number, since 2×85886613770² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85886613779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514844 + ... + 660936.

Almost surely, 2^85886613770 is an apocalyptic number.

85886613770 is a deficient number, since it is larger than the sum of its proper divisors (68712978910).

85886613770 is a wasteful number, since it uses less digits than its factorization.

85886613770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204889.

The product of its (nonzero) digits is 13547520, while the sum is 59.

The spelling of 85886613770 in words is "eighty-five billion, eight hundred eighty-six million, six hundred thirteen thousand, seven hundred seventy".