7880617472 has 240 divisors, whose sum is σ = 20056185072. Its totient is φ = 3065610240.

The previous prime is 7880617471. The next prime is 7880617543. The reversal of 7880617472 is 2747160887.

It is a self number, because there is not a number n which added to its sum of digits gives 7880617472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7880617471) 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, 23808347 + ... + 23808677.

Almost surely, 2^7880617472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7880617472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10028092536).

7880617472 is an abundant number, since it is smaller than the sum of its proper divisors (12175567600).

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

7880617472 is a wasteful number, since it uses less digits than its factorization.

7880617472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 50.

The square root of 7880617472 is about 88772.8419732071. The cubic root of 7880617472 is about 1990.0015548417.

The spelling of 7880617472 in words is "seven billion, eight hundred eighty million, six hundred seventeen thousand, four hundred seventy-two".