7865299260 has 240 divisors, whose sum is σ = 30368243136. Its totient is φ = 1659460608.

The previous prime is 7865299231. The next prime is 7865299297. The reversal of 7865299260 is 629925687.

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

It is a junction number, because it is equal to n+sod(n) for n = 7865299197 and 7865299206.

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 79 ways as a sum of consecutive naturals, for example, 120744 + ... + 174096.

Almost surely, 2^7865299260 is an apocalyptic number.

7865299260 is a gapful number since it is divisible by the number (70) 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 7865299260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15184121568).

7865299260 is an abundant number, since it is smaller than the sum of its proper divisors (22502943876).

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

7865299260 is a wasteful number, since it uses less digits than its factorization.

7865299260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53394 (or 53383 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The square root of 7865299260 is about 88686.5224259019. The cubic root of 7865299260 is about 1988.7113413055.

The spelling of 7865299260 in words is "seven billion, eight hundred sixty-five million, two hundred ninety-nine thousand, two hundred sixty".