497778152 has 8 divisors (see below), whose sum is σ = 933334050. Its totient is φ = 248889072.

The previous prime is 497778143. The next prime is 497778161. The reversal of 497778152 is 251877794.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (497778143) and next prime (497778161).

It can be written as a sum of positive squares in only one way, i.e., 424607236 + 73170916 = 20606^2 + 8554^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 497778152.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31111127 + ... + 31111142.

Almost surely, 2^497778152 is an apocalyptic number.

It is an amenable number.

497778152 is a deficient number, since it is larger than the sum of its proper divisors (435555898).

497778152 is a wasteful number, since it uses less digits than its factorization.

497778152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62222275 (or 62222271 counting only the distinct ones).

The product of its digits is 987840, while the sum is 50.

The square root of 497778152 is about 22310.9424274278. The cubic root of 497778152 is about 792.5231256375.

The spelling of 497778152 in words is "four hundred ninety-seven million, seven hundred seventy-eight thousand, one hundred fifty-two".