7945980531 has 8 divisors (see below), whose sum is σ = 10601231760. Its totient is φ = 5294024832.

The previous prime is 7945980529. The next prime is 7945980563. The reversal of 7945980531 is 1350895497.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7945980531 - 2¹ = 7945980529 is a prime.

It is a super-2 number, since 2×7945980531² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7945980521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 818250 + ... + 827903.

It is an arithmetic number, because the mean of its divisors is an integer number (1325153970).

Almost surely, 2^7945980531 is an apocalyptic number.

7945980531 is a deficient number, since it is larger than the sum of its proper divisors (2655251229).

7945980531 is a wasteful number, since it uses less digits than its factorization.

7945980531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647765.

The product of its (nonzero) digits is 1360800, while the sum is 51.

The square root of 7945980531 is about 89140.2295879924. The cubic root of 7945980531 is about 1995.4882070994.

The spelling of 7945980531 in words is "seven billion, nine hundred forty-five million, nine hundred eighty thousand, five hundred thirty-one".