8400498791 has 16 divisors (see below), whose sum is σ = 8644306176. Its totient is φ = 8159053056.

The previous prime is 8400498773. The next prime is 8400498809. The reversal of 8400498791 is 1978940048.

8400498791 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8400498773) and next prime (8400498809).

It is a cyclic number.

It is not a de Polignac number, because 8400498791 - 2²² = 8396304487 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 (8400498751) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 8545286 + ... + 8546268.

It is an arithmetic number, because the mean of its divisors is an integer number (540269136).

Almost surely, 2^8400498791 is an apocalyptic number.

8400498791 is a deficient number, since it is larger than the sum of its proper divisors (243807385).

8400498791 is a wasteful number, since it uses less digits than its factorization.

8400498791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942.

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 8400498791 is about 91654.2349867152. The cubic root of 8400498791 is about 2032.8329484964.

The spelling of 8400498791 in words is "eight billion, four hundred million, four hundred ninety-eight thousand, seven hundred ninety-one".