869789292 has 48 divisors (see below), whose sum is σ = 2151152640. Its totient is φ = 272588032.

The previous prime is 869789237. The next prime is 869789311. The reversal of 869789292 is 292987968.

It is a happy number.

It is a super-2 number, since 2×869789292² = 1513066824955722528, which contains 22 as substring.

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, 277309 + ... + 280427.

It is an arithmetic number, because the mean of its divisors is an integer number (44815680).

Almost surely, 2^869789292 is an apocalyptic number.

It is an amenable number.

869789292 is an abundant number, since it is smaller than the sum of its proper divisors (1281363348).

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

869789292 is a wasteful number, since it uses less digits than its factorization.

869789292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4510 (or 4508 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 60.

The square root of 869789292 is about 29492.1903560926. The cubic root of 869789292 is about 954.5631956167.

The spelling of 869789292 in words is "eight hundred sixty-nine million, seven hundred eighty-nine thousand, two hundred ninety-two".