85370420288 has 28 divisors (see below), whose sum is σ = 169418177292. Its totient is φ = 42682375680.

The previous prime is 85370420237. The next prime is 85370420299. The reversal of 85370420288 is 88202407358.

It can be written as a sum of positive squares in 2 ways, for example, as 16049849344 + 69320570944 = 126688^2 + 263288^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1196498 + ... + 1265838.

It is an arithmetic number, because the mean of its divisors is an integer number (6050649189).

Almost surely, 2^85370420288 is an apocalyptic number.

It is an amenable number.

85370420288 is a deficient number, since it is larger than the sum of its proper divisors (84047757004).

85370420288 is a wasteful number, since it uses less digits than its factorization.

85370420288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88590 (or 88580 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 47.

The spelling of 85370420288 in words is "eighty-five billion, three hundred seventy million, four hundred twenty thousand, two hundred eighty-eight".