498972797 has 4 divisors (see below), whose sum is σ = 528324156. Its totient is φ = 469621440.

The previous prime is 498972781. The next prime is 498972809. The reversal of 498972797 is 797279894.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 242300356 + 256672441 = 15566^2 + 16021^2 .

It is a cyclic number.

It is not a de Polignac number, because 498972797 - 2⁴ = 498972781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498972757) 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, 14675654 + ... + 14675687.

It is an arithmetic number, because the mean of its divisors is an integer number (132081039).

Almost surely, 2^498972797 is an apocalyptic number.

It is an amenable number.

498972797 is a deficient number, since it is larger than the sum of its proper divisors (29351359).

498972797 is a wasteful number, since it uses less digits than its factorization.

498972797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29351358.

The product of its digits is 16003008, while the sum is 62.

The square root of 498972797 is about 22337.6990086266. The cubic root of 498972797 is about 793.1566256422.

The spelling of 498972797 in words is "four hundred ninety-eight million, nine hundred seventy-two thousand, seven hundred ninety-seven".