85747056 has 40 divisors (see below), whose sum is σ = 227504784. Its totient is φ = 27809280.

The previous prime is 85747049. The next prime is 85747063. The reversal of 85747056 is 65074758.

It is an interprime number because it is at equal distance from previous prime (85747049) and next prime (85747063).

It is a super-2 number, since 2×85747056² = 14705115225334272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85746999 and 85747017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22365 + ... + 25916.

Almost surely, 2^85747056 is an apocalyptic number.

It is an amenable number.

85747056 is an abundant number, since it is smaller than the sum of its proper divisors (141757728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85747056 is a wasteful number, since it uses less digits than its factorization.

85747056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48329 (or 48323 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 85747056 is about 9259.9706263033. The cubic root of 85747056 is about 440.9673208645.

The spelling of 85747056 in words is "eighty-five million, seven hundred forty-seven thousand, fifty-six".