8397498311 has 4 divisors (see below), whose sum is σ = 8401917624. Its totient is φ = 8393079000.

The previous prime is 8397498293. The next prime is 8397498331. The reversal of 8397498311 is 1138947938.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8397498311 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 (8397498331) 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, 2206805 + ... + 2210606.

It is an arithmetic number, because the mean of its divisors is an integer number (2100479406).

Almost surely, 2^8397498311 is an apocalyptic number.

8397498311 is a deficient number, since it is larger than the sum of its proper divisors (4419313).

8397498311 is a wasteful number, since it uses less digits than its factorization.

8397498311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4419312.

The product of its digits is 1306368, while the sum is 53.

The square root of 8397498311 is about 91637.8650504255. The cubic root of 8397498311 is about 2032.5908914035.

The spelling of 8397498311 in words is "eight billion, three hundred ninety-seven million, four hundred ninety-eight thousand, three hundred eleven".