7690493808 has 400 divisors, whose sum is σ = 25177912320. Its totient is φ = 2254044672.

The previous prime is 7690493807. The next prime is 7690493849. The reversal of 7690493808 is 8083940967.

7690493808 is a `hidden beast` number, since 76 + 9 + 0 + 493 + 80 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7690493807) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 20954841 + ... + 20955207.

Almost surely, 2^7690493808 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 7690493808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12588956160).

7690493808 is an abundant number, since it is smaller than the sum of its proper divisors (17487418512).

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

7690493808 is a wasteful number, since it uses less digits than its factorization.

7690493808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 7690493808 is about 87695.4605894741. The cubic root of 7690493808 is about 1973.8678600769.

The spelling of 7690493808 in words is "seven billion, six hundred ninety million, four hundred ninety-three thousand, eight hundred eight".