863880276725 has 12 divisors (see below), whose sum is σ = 1073597328900. Its totient is φ = 689565004800.

The previous prime is 863880276617. The next prime is 863880276737. The reversal of 863880276725 is 527672088368.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1792167556 + 862088109169 = 42334^2 + 928487^2 .

It is not a de Polignac number, because 863880276725 - 2³⁰ = 862806534901 is a prime.

It is a hoax number, since the sum of its digits (62) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38468966 + ... + 38491415.

It is an arithmetic number, because the mean of its divisors is an integer number (89466444075).

Almost surely, 2^863880276725 is an apocalyptic number.

It is an amenable number.

863880276725 is a deficient number, since it is larger than the sum of its proper divisors (209717052175).

863880276725 is a wasteful number, since it uses less digits than its factorization.

863880276725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76960840 (or 76960835 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 62.

The spelling of 863880276725 in words is "eight hundred sixty-three billion, eight hundred eighty million, two hundred seventy-six thousand, seven hundred twenty-five".