877152289842 has 32 divisors (see below), whose sum is σ = 1952376379200. Its totient is φ = 291911736384.

The previous prime is 877152289841. The next prime is 877152289843. The reversal of 877152289842 is 248982251778.

It is an interprime number because it is at equal distance from previous prime (877152289841) and next prime (877152289843).

It is a super-2 number, since 2×877152289842² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 877152289842.

It is not an unprimeable number, because it can be changed into a prime (877152289841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13087383 + ... + 13154234.

It is an arithmetic number, because the mean of its divisors is an integer number (61011761850).

Almost surely, 2^877152289842 is an apocalyptic number.

877152289842 is an abundant number, since it is smaller than the sum of its proper divisors (1075224089358).

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

877152289842 is a wasteful number, since it uses less digits than its factorization.

877152289842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26242247 (or 26242241 counting only the distinct ones).

The product of its digits is 36126720, while the sum is 63.

The spelling of 877152289842 in words is "eight hundred seventy-seven billion, one hundred fifty-two million, two hundred eighty-nine thousand, eight hundred forty-two".