872020278 has 24 divisors (see below), whose sum is σ = 1890661968. Its totient is φ = 290475792.

The previous prime is 872020243. The next prime is 872020301.

872020278 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12076 + ... + 43472.

It is an arithmetic number, because the mean of its divisors is an integer number (78777582).

Almost surely, 2^872020278 is an apocalyptic number.

872020278 is an abundant number, since it is smaller than the sum of its proper divisors (1018641690).

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

872020278 is a wasteful number, since it uses less digits than its factorization.

872020278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32948 (or 32945 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 872020278 is about 29529.9894683354. The cubic root of 872020278 is about 955.3786417375.

The spelling of 872020278 in words is "eight hundred seventy-two million, twenty thousand, two hundred seventy-eight".