8231277493 has 4 divisors (see below), whose sum is σ = 8231479200. Its totient is φ = 8231075788.

The previous prime is 8231277491. The next prime is 8231277499. The reversal of 8231277493 is 3947721328.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8231277493 - 2¹ = 8231277491 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 (8231277491) 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, 15643 + ... + 129256.

It is an arithmetic number, because the mean of its divisors is an integer number (2057869800).

Almost surely, 2^8231277493 is an apocalyptic number.

It is an amenable number.

8231277493 is a deficient number, since it is larger than the sum of its proper divisors (201707).

8231277493 is a wasteful number, since it uses less digits than its factorization.

8231277493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201706.

The product of its digits is 508032, while the sum is 46.

The square root of 8231277493 is about 90726.3880742532. The cubic root of 8231277493 is about 2019.0903243999.

The spelling of 8231277493 in words is "eight billion, two hundred thirty-one million, two hundred seventy-seven thousand, four hundred ninety-three".