85701157280 has 48 divisors (see below), whose sum is σ = 209450684520. Its totient is φ = 33098376192.

The previous prime is 85701157277. The next prime is 85701157301. The reversal of 85701157280 is 8275110758.

It can be written as a sum of positive squares in 4 ways, for example, as 66909134224 + 18792023056 = 258668^2 + 137084^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9230399 + ... + 9239678.

Almost surely, 2^85701157280 is an apocalyptic number.

85701157280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

85701157280 is an abundant number, since it is smaller than the sum of its proper divisors (123749527240).

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

85701157280 is a wasteful number, since it uses less digits than its factorization.

85701157280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18470121 (or 18470113 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 44.

The spelling of 85701157280 in words is "eighty-five billion, seven hundred one million, one hundred fifty-seven thousand, two hundred eighty".