7698465280 has 240 divisors, whose sum is σ = 21012951960. Its totient is φ = 2699755520.

The previous prime is 7698465223. The next prime is 7698465331. The reversal of 7698465280 is 825648967.

It can be written as a sum of positive squares in 4 ways, for example, as 7407012096 + 291453184 = 86064^2 + 17072^2 .

It is a Harshad number since it is a multiple of its sum of digits (55).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8982612 + ... + 8983468.

Almost surely, 2^7698465280 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 7698465280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10506475980).

7698465280 is an abundant number, since it is smaller than the sum of its proper divisors (13314486680).

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

7698465280 is a wasteful number, since it uses less digits than its factorization.

7698465280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931 (or 904 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 55.

The square root of 7698465280 is about 87740.8985593378. The cubic root of 7698465280 is about 1974.5496194626.

The spelling of 7698465280 in words is "seven billion, six hundred ninety-eight million, four hundred sixty-five thousand, two hundred eighty".