85336578690 has 64 divisors (see below), whose sum is σ = 233140902912. Its totient is φ = 19788190400.

The previous prime is 85336578683. The next prime is 85336578709. The reversal of 85336578690 is 9687563358.

It is a super-2 number, since 2×85336578690² (a number of 23 digits) contains 22 as substring.

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, 5614056 + ... + 5629235.

It is an arithmetic number, because the mean of its divisors is an integer number (3642826608).

Almost surely, 2^85336578690 is an apocalyptic number.

85336578690 is an abundant number, since it is smaller than the sum of its proper divisors (147804324222).

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

85336578690 is a wasteful number, since it uses less digits than its factorization.

85336578690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11243335.

The product of its (nonzero) digits is 32659200, while the sum is 60.

The spelling of 85336578690 in words is "eighty-five billion, three hundred thirty-six million, five hundred seventy-eight thousand, six hundred ninety".