869127402 has 64 divisors (see below), whose sum is σ = 2061448704. Its totient is φ = 240815040.

The previous prime is 869127383. The next prime is 869127403. The reversal of 869127402 is 204721968.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (869127403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87073 + ... + 96539.

It is an arithmetic number, because the mean of its divisors is an integer number (32210136).

Almost surely, 2^869127402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 869127402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1030724352).

869127402 is an abundant number, since it is smaller than the sum of its proper divisors (1192321302).

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

869127402 is a wasteful number, since it uses less digits than its factorization.

869127402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9603.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 869127402 is about 29480.9667751924. The cubic root of 869127402 is about 954.3210004962.

It can be divided in two parts, 869 and 127402, that added together give a triangular number (128271 = T₅₀₆).

The spelling of 869127402 in words is "eight hundred sixty-nine million, one hundred twenty-seven thousand, four hundred two".