875880138 has 64 divisors (see below), whose sum is σ = 2083258368. Its totient is φ = 240226560.

The previous prime is 875880119. The next prime is 875880163. The reversal of 875880138 is 831088578.

It is a super-2 number, since 2×875880138² = 1534332032285798088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162706 + ... + 168002.

It is an arithmetic number, because the mean of its divisors is an integer number (32550912).

Almost surely, 2^875880138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 875880138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1041629184).

875880138 is an abundant number, since it is smaller than the sum of its proper divisors (1207378230).

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

875880138 is a wasteful number, since it uses less digits than its factorization.

875880138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5467.

The product of its (nonzero) digits is 430080, while the sum is 48.

The square root of 875880138 is about 29595.2722237860. The cubic root of 875880138 is about 956.7861779063.

The spelling of 875880138 in words is "eight hundred seventy-five million, eight hundred eighty thousand, one hundred thirty-eight".