497618378 has 8 divisors (see below), whose sum is σ = 760511268. Its totient is φ = 244114624.

The previous prime is 497618369. The next prime is 497618383. The reversal of 497618378 is 873816794.

It can be written as a sum of positive squares in 2 ways, for example, as 497602249 + 16129 = 22307^2 + 127^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2347151 + ... + 2347362.

Almost surely, 2^497618378 is an apocalyptic number.

497618378 is a deficient number, since it is larger than the sum of its proper divisors (262892890).

497618378 is a wasteful number, since it uses less digits than its factorization.

497618378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4694568.

The product of its digits is 2032128, while the sum is 53.

The square root of 497618378 is about 22307.3615203591. The cubic root of 497618378 is about 792.4383233753.

The spelling of 497618378 in words is "four hundred ninety-seven million, six hundred eighteen thousand, three hundred seventy-eight".