85613810 has 16 divisors (see below), whose sum is σ = 162216000. Its totient is φ = 32443056.

The previous prime is 85613809. The next prime is 85613813. The reversal of 85613810 is 1831658.

It is a super-2 number, since 2×85613810² = 14659448925432200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85613813) 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, 225110 + ... + 225489.

It is an arithmetic number, because the mean of its divisors is an integer number (10138500).

Almost surely, 2^85613810 is an apocalyptic number.

85613810 is a deficient number, since it is larger than the sum of its proper divisors (76602190).

85613810 is a wasteful number, since it uses less digits than its factorization.

85613810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450625.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 85613810 is about 9252.7730978340. The cubic root of 85613810 is about 440.7387898193.

The spelling of 85613810 in words is "eighty-five million, six hundred thirteen thousand, eight hundred ten".