89772953 has 2 divisors, whose sum is σ = 89772954. Its totient is φ = 89772952.

The previous prime is 89772919. The next prime is 89772959. The reversal of 89772953 is 35927798.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83028544 + 6744409 = 9112^2 + 2597^2 .

It is a cyclic number.

It is not a de Polignac number, because 89772953 - 2¹⁸ = 89510809 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89772959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44886476 + 44886477.

It is an arithmetic number, because the mean of its divisors is an integer number (44886477).

Almost surely, 2^89772953 is an apocalyptic number.

It is an amenable number.

89772953 is a deficient number, since it is larger than the sum of its proper divisors (1).

89772953 is an equidigital number, since it uses as much as digits as its factorization.

89772953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 952560, while the sum is 50.

The square root of 89772953 is about 9474.8589963123. The cubic root of 89772953 is about 447.7633093495.

The spelling of 89772953 in words is "eighty-nine million, seven hundred seventy-two thousand, nine hundred fifty-three".