7900806452 has 144 divisors (see below), whose sum is σ = 18406144512. Its totient is φ = 2928784320.

The previous prime is 7900806341. The next prime is 7900806481. The reversal of 7900806452 is 2546080097.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14033123 + ... + 14033685.

It is an arithmetic number, because the mean of its divisors is an integer number (127820448).

Almost surely, 2^7900806452 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 7900806452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9203072256).

7900806452 is an abundant number, since it is smaller than the sum of its proper divisors (10505338060).

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

7900806452 is a wasteful number, since it uses less digits than its factorization.

7900806452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 7900806452 is about 88886.4807043231. The cubic root of 7900806452 is about 1991.6994692527.

The spelling of 7900806452 in words is "seven billion, nine hundred million, eight hundred six thousand, four hundred fifty-two".