89150731 has 4 divisors (see below), whose sum is σ = 89697832. Its totient is φ = 88603632.

The previous prime is 89150713. The next prime is 89150741. The reversal of 89150731 is 13705198.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89150731 - 2¹³ = 89142539 is a prime.

It is a super-2 number, since 2×89150731² = 15895705675668722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89150741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273306 + ... + 273631.

It is an arithmetic number, because the mean of its divisors is an integer number (22424458).

Almost surely, 2^89150731 is an apocalyptic number.

89150731 is a deficient number, since it is larger than the sum of its proper divisors (547101).

89150731 is a wasteful number, since it uses less digits than its factorization.

89150731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547100.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 89150731 is about 9441.9664794999. The cubic root of 89150731 is about 446.7264181470.

The spelling of 89150731 in words is "eighty-nine million, one hundred fifty thousand, seven hundred thirty-one".