497777790 has 32 divisors (see below), whose sum is σ = 1196480160. Its totient is φ = 132539264.

The previous prime is 497777783. The next prime is 497777831. The reversal of 497777790 is 97777794.

It is a self number, because there is not a number n which added to its sum of digits gives 497777790.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8056 + ... + 32564.

It is an arithmetic number, because the mean of its divisors is an integer number (37390005).

Almost surely, 2^497777790 is an apocalyptic number.

497777790 is an abundant number, since it is smaller than the sum of its proper divisors (698702370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

497777790 is a wasteful number, since it uses less digits than its factorization.

497777790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25196.

The product of its (nonzero) digits is 5445468, while the sum is 57.

The square root of 497777790 is about 22310.9343148152. The cubic root of 497777790 is about 792.5229335215.

The spelling of 497777790 in words is "four hundred ninety-seven million, seven hundred seventy-seven thousand, seven hundred ninety".