7990560439 has 4 divisors (see below), whose sum is σ = 8460593424. Its totient is φ = 7520527456.

The previous prime is 7990560437. The next prime is 7990560449. The reversal of 7990560439 is 9340650997.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9340650997 = 55313 ⋅168869.

It is not a de Polignac number, because 7990560439 - 2¹ = 7990560437 is a prime.

It is a super-2 number, since 2×7990560439² (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 (7990560437) 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, 235016467 + ... + 235016500.

It is an arithmetic number, because the mean of its divisors is an integer number (2115148356).

Almost surely, 2^7990560439 is an apocalyptic number.

7990560439 is a deficient number, since it is larger than the sum of its proper divisors (470032985).

7990560439 is a wasteful number, since it uses less digits than its factorization.

7990560439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470032984.

The product of its (nonzero) digits is 1837080, while the sum is 52.

The square root of 7990560439 is about 89389.9347745595. The cubic root of 7990560439 is about 1999.2130603202.

The spelling of 7990560439 in words is "seven billion, nine hundred ninety million, five hundred sixty thousand, four hundred thirty-nine".