490080977 has 4 divisors (see below), whose sum is σ = 490805556. Its totient is φ = 489356400.

The previous prime is 490080973. The next prime is 490080989. The reversal of 490080977 is 779080094.

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

It can be written as a sum of positive squares in 2 ways, for example, as 267355201 + 222725776 = 16351^2 + 14924^2 .

It is a cyclic number.

It is not a de Polignac number, because 490080977 - 2² = 490080973 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490080973) 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, 361274 + ... + 362627.

It is an arithmetic number, because the mean of its divisors is an integer number (122701389).

Almost surely, 2^490080977 is an apocalyptic number.

It is an amenable number.

490080977 is a deficient number, since it is larger than the sum of its proper divisors (724579).

490080977 is an equidigital number, since it uses as much as digits as its factorization.

490080977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724578.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 490080977 is about 22137.7726296030. The cubic root of 490080977 is about 788.4169425730.

The spelling of 490080977 in words is "four hundred ninety million, eighty thousand, nine hundred seventy-seven".