7697250990 has 384 divisors, whose sum is σ = 25836475392. Its totient is φ = 1619896320.

The previous prime is 7697250961. The next prime is 7697251013. The reversal of 7697250990 is 990527967.

7697250990 is a `hidden beast` number, since 7 + 69 + 72 + 509 + 9 + 0 = 666.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5906679 + ... + 5907981.

It is an arithmetic number, because the mean of its divisors is an integer number (67282488).

Almost surely, 2^7697250990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7697250990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12918237696).

7697250990 is an abundant number, since it is smaller than the sum of its proper divisors (18139224402).

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

7697250990 is a wasteful number, since it uses less digits than its factorization.

7697250990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366 (or 1354 counting only the distinct ones).

The product of its (nonzero) digits is 2143260, while the sum is 54.

The square root of 7697250990 is about 87733.9785373945. The cubic root of 7697250990 is about 1974.4457978200.

The spelling of 7697250990 in words is "seven billion, six hundred ninety-seven million, two hundred fifty thousand, nine hundred ninety".