85147592 has 8 divisors (see below), whose sum is σ = 159651750. Its totient is φ = 42573792.

The previous prime is 85147589. The next prime is 85147603. The reversal of 85147592 is 29574158.

It can be written as a sum of positive squares in only one way, i.e., 78251716 + 6895876 = 8846^2 + 2626^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×85147592² = 14500224846796928, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5321717 + ... + 5321732.

Almost surely, 2^85147592 is an apocalyptic number.

It is an amenable number.

85147592 is a deficient number, since it is larger than the sum of its proper divisors (74504158).

85147592 is a wasteful number, since it uses less digits than its factorization.

85147592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10643455 (or 10643451 counting only the distinct ones).

The product of its digits is 100800, while the sum is 41.

The square root of 85147592 is about 9227.5452857193. The cubic root of 85147592 is about 439.9373051167.

The spelling of 85147592 in words is "eighty-five million, one hundred forty-seven thousand, five hundred ninety-two".