867747530820 has 24 divisors (see below), whose sum is σ = 2429693086464. Its totient is φ = 231399341536.

The previous prime is 867747530791. The next prime is 867747530849. The reversal of 867747530820 is 28035747768.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (867747530791) and next prime (867747530849).

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 7 ways as a sum of consecutive naturals, for example, 7231229364 + ... + 7231229483.

It is an arithmetic number, because the mean of its divisors is an integer number (101237211936).

Almost surely, 2^867747530820 is an apocalyptic number.

It is an amenable number.

867747530820 is an abundant number, since it is smaller than the sum of its proper divisors (1561945555644).

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

867747530820 is a wasteful number, since it uses less digits than its factorization.

867747530820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14462458859 (or 14462458857 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 57.

The spelling of 867747530820 in words is "eight hundred sixty-seven billion, seven hundred forty-seven million, five hundred thirty thousand, eight hundred twenty".