869461272 has 96 divisors (see below), whose sum is σ = 2509678080. Its totient is φ = 271296960.

The previous prime is 869461259. The next prime is 869461283. The reversal of 869461272 is 272164968.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72247 + ... + 83417.

It is an arithmetic number, because the mean of its divisors is an integer number (26142480).

Almost surely, 2^869461272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 869461272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1254839040).

869461272 is an abundant number, since it is smaller than the sum of its proper divisors (1640216808).

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

869461272 is a wasteful number, since it uses less digits than its factorization.

869461272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11253 (or 11246 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 869461272 is about 29486.6286984457. The cubic root of 869461272 is about 954.4431837196.

The spelling of 869461272 in words is "eight hundred sixty-nine million, four hundred sixty-one thousand, two hundred seventy-two".