908479881 has 45 divisors (see below), whose sum is σ = 1448993029. Its totient is φ = 567133056.

The previous prime is 908479853. The next prime is 908479933. The reversal of 908479881 is 188974809.

The square root of 908479881 is 30141.

It is a perfect power (a square), and thus also a powerful number.

908479881 is a `hidden beast` number, since 90 + 8 + 479 + 8 + 81 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 590927481 + 317552400 = 24309^2 + 17820^2 .

It is not a de Polignac number, because 908479881 - 2¹³ = 908471689 is a prime.

It is a super-2 number, since 2×908479881² = 1650671388363548322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (908479181) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 4611475 + ... + 4611671.

Almost surely, 2^908479881 is an apocalyptic number.

908479881 is the 30141-st square number.

908479881 is the 15071-st centered octagonal number.

It is an amenable number.

908479881 is a deficient number, since it is larger than the sum of its proper divisors (540513148).

908479881 is an equidigital number, since it uses as much as digits as its factorization.

908479881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The cubic root of 908479881 is about 968.5122198739.

The spelling of 908479881 in words is "nine hundred eight million, four hundred seventy-nine thousand, eight hundred eighty-one".