872148804820890 has 32 divisors (see below), whose sum is σ = 2093159435605056. Its totient is φ = 232572758615040.

The previous prime is 872148804820873. The next prime is 872148804820919. The reversal of 872148804820890 is 98028408841278.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12542970 + ... + 43607610.

It is an arithmetic number, because the mean of its divisors is an integer number (65411232362658).

Almost surely, 2^{872148804820890} is an apocalyptic number.

872148804820890 is an abundant number, since it is smaller than the sum of its proper divisors (1221010630784166).

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

872148804820890 is a wasteful number, since it uses less digits than its factorization.

872148804820890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32000494.

The product of its (nonzero) digits is 132120576, while the sum is 69.

The spelling of 872148804820890 in words is "eight hundred seventy-two trillion, one hundred forty-eight billion, eight hundred four million, eight hundred twenty thousand, eight hundred ninety".