89750961 has 6 divisors (see below), whose sum is σ = 129640290. Its totient is φ = 59833968.

The previous prime is 89750957. The next prime is 89750987. The reversal of 89750961 is 16905798.

89750961 is a `hidden beast` number, since 89 + 7 + 509 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 82083600 + 7667361 = 9060^2 + 2769^2 .

It is not a de Polignac number, because 89750961 - 2² = 89750957 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89750561) 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, 4986156 + ... + 4986173.

It is an arithmetic number, because the mean of its divisors is an integer number (21606715).

Almost surely, 2^89750961 is an apocalyptic number.

It is an amenable number.

89750961 is a deficient number, since it is larger than the sum of its proper divisors (39889329).

89750961 is a wasteful number, since it uses less digits than its factorization.

89750961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9972335 (or 9972332 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 89750961 is about 9473.6983802526. The cubic root of 89750961 is about 447.7267429726.

The spelling of 89750961 in words is "eighty-nine million, seven hundred fifty thousand, nine hundred sixty-one".