85351690 has 16 divisors (see below), whose sum is σ = 154578528. Its totient is φ = 33930576.

The previous prime is 85351681. The next prime is 85351691. The reversal of 85351690 is 9615358.

It is a super-2 number, since 2×85351690² = 14569821971712200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85351691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24552 + ... + 27811.

It is an arithmetic number, because the mean of its divisors is an integer number (9661158).

Almost surely, 2^85351690 is an apocalyptic number.

85351690 is a deficient number, since it is larger than the sum of its proper divisors (69226838).

85351690 is a wasteful number, since it uses less digits than its factorization.

85351690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52533.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 85351690 is about 9238.5978373344. The cubic root of 85351690 is about 440.2885332027.

The spelling of 85351690 in words is "eighty-five million, three hundred fifty-one thousand, six hundred ninety".