872155269076 has 60 divisors (see below), whose sum is σ = 1917509621972. Its totient is φ = 345028408704.

The previous prime is 872155269049. The next prime is 872155269127. The reversal of 872155269076 is 670962551278.

It can be written as a sum of positive squares in 2 ways, for example, as 601359924676 + 270795344400 = 775474^2 + 520380^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 872155269076.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3367905 + ... + 3617608.

Almost surely, 2^872155269076 is an apocalyptic number.

It is an amenable number.

872155269076 is an abundant number, since it is smaller than the sum of its proper divisors (1045354352896).

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

872155269076 is a wasteful number, since it uses less digits than its factorization.

872155269076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6985558 (or 6985535 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 58.

The spelling of 872155269076 in words is "eight hundred seventy-two billion, one hundred fifty-five million, two hundred sixty-nine thousand, seventy-six".