497647870 has 8 divisors (see below), whose sum is σ = 895766184. Its totient is φ = 199059144.

The previous prime is 497647841. The next prime is 497647879. The reversal of 497647870 is 78746794.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497647879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24882384 + ... + 24882403.

It is an arithmetic number, because the mean of its divisors is an integer number (111970773).

Almost surely, 2^497647870 is an apocalyptic number.

497647870 is a deficient number, since it is larger than the sum of its proper divisors (398118314).

497647870 is a wasteful number, since it uses less digits than its factorization.

497647870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49764794.

The product of its (nonzero) digits is 2370816, while the sum is 52.

The square root of 497647870 is about 22308.0225479535. The cubic root of 497647870 is about 792.4539780285.

The spelling of 497647870 in words is "four hundred ninety-seven million, six hundred forty-seven thousand, eight hundred seventy".