85415550670 has 8 divisors (see below), whose sum is σ = 153747991224. Its totient is φ = 34166220264.

The previous prime is 85415550667. The next prime is 85415550679. The reversal of 85415550670 is 7605551458.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 85415550670.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85415550679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4270777524 + ... + 4270777543.

It is an arithmetic number, because the mean of its divisors is an integer number (19218498903).

Almost surely, 2^85415550670 is an apocalyptic number.

85415550670 is a deficient number, since it is larger than the sum of its proper divisors (68332440554).

85415550670 is a wasteful number, since it uses less digits than its factorization.

85415550670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8541555074.

The product of its (nonzero) digits is 840000, while the sum is 46.

The spelling of 85415550670 in words is "eighty-five billion, four hundred fifteen million, five hundred fifty thousand, six hundred seventy".