8026557431 has 4 divisors (see below), whose sum is σ = 8044121472. Its totient is φ = 8008993392.

The previous prime is 8026557421. The next prime is 8026557433. The reversal of 8026557431 is 1347556208.

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

It is a cyclic number.

It is not a de Polignac number, because 8026557431 - 2²² = 8022363127 is a prime.

It is a super-2 number, since 2×8026557431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8026557433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8781335 + ... + 8782248.

It is an arithmetic number, because the mean of its divisors is an integer number (2011030368).

Almost surely, 2^8026557431 is an apocalyptic number.

8026557431 is a deficient number, since it is larger than the sum of its proper divisors (17564041).

8026557431 is a wasteful number, since it uses less digits than its factorization.

8026557431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17564040.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 8026557431 is about 89591.0566462970. The cubic root of 8026557431 is about 2002.2106748081.

The spelling of 8026557431 in words is "eight billion, twenty-six million, five hundred fifty-seven thousand, four hundred thirty-one".