85660758 has 12 divisors (see below), whose sum is σ = 185598348. Its totient is φ = 28553580.

The previous prime is 85660741. The next prime is 85660787. The reversal of 85660758 is 85706658.

It is a super-2 number, since 2×85660758² = 14675530922269128, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2379448 + ... + 2379483.

It is an arithmetic number, because the mean of its divisors is an integer number (15466529).

Almost surely, 2^85660758 is an apocalyptic number.

85660758 is an abundant number, since it is smaller than the sum of its proper divisors (99937590).

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

85660758 is a wasteful number, since it uses less digits than its factorization.

85660758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4758939 (or 4758936 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 85660758 is about 9255.3097192909. The cubic root of 85660758 is about 440.8193376639.

The spelling of 85660758 in words is "eighty-five million, six hundred sixty thousand, seven hundred fifty-eight".