490879765 has 8 divisors (see below), whose sum is σ = 593694720. Its totient is φ = 389611152.

The previous prime is 490879759. The next prime is 490879789. The reversal of 490879765 is 567978094.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490879765 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385885 + ... + 387154.

It is an arithmetic number, because the mean of its divisors is an integer number (74211840).

Almost surely, 2^490879765 is an apocalyptic number.

It is an amenable number.

490879765 is a deficient number, since it is larger than the sum of its proper divisors (102814955).

490879765 is a wasteful number, since it uses less digits than its factorization.

490879765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773171.

The product of its (nonzero) digits is 3810240, while the sum is 55.

The square root of 490879765 is about 22155.8065752525. The cubic root of 490879765 is about 788.8450596742.

The spelling of 490879765 in words is "four hundred ninety million, eight hundred seventy-nine thousand, seven hundred sixty-five".