85642618702 has 8 divisors (see below), whose sum is σ = 128770525800. Its totient is φ = 42719110104.

The previous prime is 85642618697. The next prime is 85642618709. The reversal of 85642618702 is 20781624658.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85642618709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51098577 + ... + 51100252.

It is an arithmetic number, because the mean of its divisors is an integer number (16096315725).

Almost surely, 2^85642618702 is an apocalyptic number.

85642618702 is a deficient number, since it is larger than the sum of its proper divisors (43127907098).

85642618702 is a wasteful number, since it uses less digits than its factorization.

85642618702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102199250.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 85642618702 in words is "eighty-five billion, six hundred forty-two million, six hundred eighteen thousand, seven hundred two".