85663142670 has 32 divisors (see below), whose sum is σ = 234961763328. Its totient is φ = 19580146848.

The previous prime is 85663142651. The next prime is 85663142689. The reversal of 85663142670 is 7624136658.

It is an interprime number because it is at equal distance from previous prime (85663142651) and next prime (85663142689).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203959654 + ... + 203960073.

It is an arithmetic number, because the mean of its divisors is an integer number (7342555104).

Almost surely, 2^85663142670 is an apocalyptic number.

85663142670 is an abundant number, since it is smaller than the sum of its proper divisors (149298620658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85663142670 is a wasteful number, since it uses less digits than its factorization.

85663142670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407919744.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 85663142670 in words is "eighty-five billion, six hundred sixty-three million, one hundred forty-two thousand, six hundred seventy".