7628356992 has 256 divisors, whose sum is σ = 21700638720. Its totient is φ = 2370600960.

The previous prime is 7628356991. The next prime is 7628357003. The reversal of 7628356992 is 2996538267.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7628356991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67507528 + ... + 67507640.

It is an arithmetic number, because the mean of its divisors is an integer number (84768120).

Almost surely, 2^7628356992 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 7628356992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10850319360).

7628356992 is an abundant number, since it is smaller than the sum of its proper divisors (14072281728).

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

7628356992 is a wasteful number, since it uses less digits than its factorization.

7628356992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 309 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 57.

The square root of 7628356992 is about 87340.4659479213. The cubic root of 7628356992 is about 1968.5373970310.

The spelling of 7628356992 in words is "seven billion, six hundred twenty-eight million, three hundred fifty-six thousand, nine hundred ninety-two".