7717425480 has 96 divisors (see below), whose sum is σ = 25946551800. Its totient is φ = 1987012608.

The previous prime is 7717425467. The next prime is 7717425481. The reversal of 7717425480 is 845247177.

It can be written as a sum of positive squares in 4 ways, for example, as 3703696164 + 4013729316 = 60858^2 + 63354^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (7717425481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 359169 + ... + 380048.

Almost surely, 2^7717425480 is an apocalyptic number.

It is an amenable number.

7717425480 is an abundant number, since it is smaller than the sum of its proper divisors (18229126320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7717425480 is a wasteful number, since it uses less digits than its factorization.

7717425480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739263 (or 739256 counting only the distinct ones).

The product of its (nonzero) digits is 439040, while the sum is 45.

The square root of 7717425480 is about 87848.8786496447. The cubic root of 7717425480 is about 1976.1692999943.

The spelling of 7717425480 in words is "seven billion, seven hundred seventeen million, four hundred twenty-five thousand, four hundred eighty".