89857772 has 6 divisors (see below), whose sum is σ = 157251108. Its totient is φ = 44928884.

The previous prime is 89857769. The next prime is 89857777. The reversal of 89857772 is 27775898.

It is not an unprimeable number, because it can be changed into a prime (89857777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11232218 + ... + 11232225.

It is an arithmetic number, because the mean of its divisors is an integer number (26208518).

Almost surely, 2^89857772 is an apocalyptic number.

It is an amenable number.

89857772 is a deficient number, since it is larger than the sum of its proper divisors (67393336).

89857772 is a wasteful number, since it uses less digits than its factorization.

89857772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22464447 (or 22464445 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 53.

The square root of 89857772 is about 9479.3339428464. Note that the first 3 decimals coincide. The cubic root of 89857772 is about 447.9042830694.

The spelling of 89857772 in words is "eighty-nine million, eight hundred fifty-seven thousand, seven hundred seventy-two".