85738858 has 12 divisors (see below), whose sum is σ = 130275810. Its totient is φ = 42320616.

The previous prime is 85738853. The next prime is 85738889. The reversal of 85738858 is 85883758.

It can be written as a sum of positive squares in only one way, i.e., 85433049 + 305809 = 9243^2 + 553^2 .

It is a super-2 number, since 2×85738858² = 14702303542288328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85738853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9048 + ... + 15916.

Almost surely, 2^85738858 is an apocalyptic number.

85738858 is a deficient number, since it is larger than the sum of its proper divisors (44536952).

85738858 is an equidigital number, since it uses as much as digits as its factorization.

85738858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7029 (or 6950 counting only the distinct ones).

The product of its digits is 2150400, while the sum is 52.

The square root of 85738858 is about 9259.5279577309. The cubic root of 85738858 is about 440.9532672613.

The spelling of 85738858 in words is "eighty-five million, seven hundred thirty-eight thousand, eight hundred fifty-eight".