497778876 has 36 divisors (see below), whose sum is σ = 1438028592. Its totient is φ = 142222464.

The previous prime is 497778859. The next prime is 497778889. The reversal of 497778876 is 678877794.

497778876 is a `hidden beast` number, since 497 + 7 + 78 + 8 + 76 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 987405 + ... + 987908.

Almost surely, 2^497778876 is an apocalyptic number.

It is an amenable number.

497778876 is an abundant number, since it is smaller than the sum of its proper divisors (940249716).

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

497778876 is a wasteful number, since it uses less digits than its factorization.

497778876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975330 (or 1975325 counting only the distinct ones).

The product of its digits is 33191424, while the sum is 63.

The square root of 497778876 is about 22310.9586526442. The cubic root of 497778876 is about 792.5235098692.

It can be divided in two parts, 49777 and 8876, that added together give a triangular number (58653 = T₃₄₂).

The spelling of 497778876 in words is "four hundred ninety-seven million, seven hundred seventy-eight thousand, eight hundred seventy-six".