869434761 has 32 divisors (see below), whose sum is σ = 1301852160. Its totient is φ = 512434944.

The previous prime is 869434747. The next prime is 869434763. The reversal of 869434761 is 167434968.

It is not a de Polignac number, because 869434761 - 2¹⁹ = 868910473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 869434761.

It is not an unprimeable number, because it can be changed into a prime (869434763) 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, 140611 + ... + 146663.

It is an arithmetic number, because the mean of its divisors is an integer number (40682880).

Almost surely, 2^869434761 is an apocalyptic number.

It is an amenable number.

869434761 is a deficient number, since it is larger than the sum of its proper divisors (432417399).

869434761 is a wasteful number, since it uses less digits than its factorization.

869434761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6225.

The product of its digits is 870912, while the sum is 48.

The square root of 869434761 is about 29486.1791522740. The cubic root of 869434761 is about 954.4334828848.

The spelling of 869434761 in words is "eight hundred sixty-nine million, four hundred thirty-four thousand, seven hundred sixty-one".