76798656 has 336 divisors, whose sum is σ = 273881088. Its totient is φ = 20275200.

The previous prime is 76798649. The next prime is 76798661. The reversal of 76798656 is 65689767.

It is a happy number.

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, 2477361 + ... + 2477391.

Almost surely, 2^76798656 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 76798656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136940544).

76798656 is an abundant number, since it is smaller than the sum of its proper divisors (197082432).

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

76798656 is a wasteful number, since it uses less digits than its factorization.

76798656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 87 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The square root of 76798656 is about 8763.4842385891. The cubic root of 76798656 is about 425.0609481219.

Subtracting from 76798656 its reverse (65689767), we obtain a square (11108889 = 3333²).

The spelling of 76798656 in words is "seventy-six million, seven hundred ninety-eight thousand, six hundred fifty-six".