85798115 has 16 divisors (see below), whose sum is σ = 113459808. Its totient is φ = 61883136.

The previous prime is 85798109. The next prime is 85798121. The reversal of 85798115 is 51189758.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (85798109) and next prime (85798121).

It is a cyclic number.

It is not a de Polignac number, because 85798115 - 2⁶ = 85798051 is a prime.

It is a super-2 number, since 2×85798115² = 14722633075106450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12554 + ... + 18143.

It is an arithmetic number, because the mean of its divisors is an integer number (7091238).

Almost surely, 2^85798115 is an apocalyptic number.

85798115 is a deficient number, since it is larger than the sum of its proper divisors (27661693).

85798115 is a wasteful number, since it uses less digits than its factorization.

85798115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30758.

The product of its digits is 100800, while the sum is 44.

The square root of 85798115 is about 9262.7271901962. The cubic root of 85798115 is about 441.0548297306.

The spelling of 85798115 in words is "eighty-five million, seven hundred ninety-eight thousand, one hundred fifteen".