89261157 has 4 divisors (see below), whose sum is σ = 119014880. Its totient is φ = 59507436.

The previous prime is 89261119. The next prime is 89261189. The reversal of 89261157 is 75116298.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 89261157 - 2¹⁰ = 89260133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89261257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14876857 + ... + 14876862.

It is an arithmetic number, because the mean of its divisors is an integer number (29753720).

Almost surely, 2^89261157 is an apocalyptic number.

It is an amenable number.

89261157 is a deficient number, since it is larger than the sum of its proper divisors (29753723).

89261157 is a wasteful number, since it uses less digits than its factorization.

89261157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29753722.

The product of its digits is 30240, while the sum is 39.

The square root of 89261157 is about 9447.8122864502. The cubic root of 89261157 is about 446.9107870145.

The spelling of 89261157 in words is "eighty-nine million, two hundred sixty-one thousand, one hundred fifty-seven".