85720007274 has 64 divisors (see below), whose sum is σ = 199309455360. Its totient is φ = 24317712320.

The previous prime is 85720007209. The next prime is 85720007287. The reversal of 85720007274 is 47270002758.

It is a super-2 number, since 2×85720007274² (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, 529389 + ... + 672080.

It is an arithmetic number, because the mean of its divisors is an integer number (3114210240).

Almost surely, 2^85720007274 is an apocalyptic number.

85720007274 is an abundant number, since it is smaller than the sum of its proper divisors (113589448086).

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

85720007274 is a wasteful number, since it uses less digits than its factorization.

85720007274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201555.

The product of its (nonzero) digits is 219520, while the sum is 42.

The spelling of 85720007274 in words is "eighty-five billion, seven hundred twenty million, seven thousand, two hundred seventy-four".