85637693070 has 64 divisors (see below), whose sum is σ = 231186588480. Its totient is φ = 22836712320.

The previous prime is 85637693003. The next prime is 85637693101. The reversal of 85637693070 is 7039673658.

85637693070 is a `hidden beast` number, since 8 + 563 + 7 + 6 + 9 + 3 + 0 + 70 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 85637692998 and 85637693016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1936011 + ... + 1979750.

It is an arithmetic number, because the mean of its divisors is an integer number (3612290445).

Almost surely, 2^85637693070 is an apocalyptic number.

85637693070 is an abundant number, since it is smaller than the sum of its proper divisors (145548895410).

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

85637693070 is an equidigital number, since it uses as much as digits as its factorization.

85637693070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3915789 (or 3915771 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 54.

The spelling of 85637693070 in words is "eighty-five billion, six hundred thirty-seven million, six hundred ninety-three thousand, seventy".