7790147136 has 280 divisors, whose sum is σ = 24525732000. Its totient is φ = 2438055936.

The previous prime is 7790147119. The next prime is 7790147161. The reversal of 7790147136 is 6317410977.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7790147091 and 7790147100.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13690660 + ... + 13691228.

It is an arithmetic number, because the mean of its divisors is an integer number (87591900).

Almost surely, 2^7790147136 is an apocalyptic number.

7790147136 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7790147136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12262866000).

7790147136 is an abundant number, since it is smaller than the sum of its proper divisors (16735584864).

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

7790147136 is a wasteful number, since it uses less digits than its factorization.

7790147136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751 (or 732 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The square root of 7790147136 is about 88261.8101785818. The cubic root of 7790147136 is about 1982.3570827145.

The spelling of 7790147136 in words is "seven billion, seven hundred ninety million, one hundred forty-seven thousand, one hundred thirty-six".