89750431 has 2 divisors, whose sum is σ = 89750432. Its totient is φ = 89750430.

The previous prime is 89750407. The next prime is 89750467. The reversal of 89750431 is 13405798.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89750431 - 2⁷ = 89750303 is a prime.

It is a super-2 number, since 2×89750431² = 16110279729371522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89750131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44875215 + 44875216.

It is an arithmetic number, because the mean of its divisors is an integer number (44875216).

Almost surely, 2^89750431 is an apocalyptic number.

89750431 is a deficient number, since it is larger than the sum of its proper divisors (1).

89750431 is an equidigital number, since it uses as much as digits as its factorization.

89750431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 89750431 is about 9473.6704080309. The cubic root of 89750431 is about 447.7258616612.

The spelling of 89750431 in words is "eighty-nine million, seven hundred fifty thousand, four hundred thirty-one".