89261379 has 16 divisors (see below), whose sum is σ = 132416640. Its totient is φ = 59427720.

The previous prime is 89261377. The next prime is 89261423. The reversal of 89261379 is 97316298.

It is not a de Polignac number, because 89261379 - 2¹ = 89261377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89261371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23824 + ... + 27314.

It is an arithmetic number, because the mean of its divisors is an integer number (8276040).

Almost surely, 2^89261379 is an apocalyptic number.

89261379 is a deficient number, since it is larger than the sum of its proper divisors (43155261).

89261379 is a wasteful number, since it uses less digits than its factorization.

89261379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4447 (or 4441 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 89261379 is about 9447.8240351946. The cubic root of 89261379 is about 446.9111575158.

The spelling of 89261379 in words is "eighty-nine million, two hundred sixty-one thousand, three hundred seventy-nine".