874438709 has 8 divisors (see below), whose sum is σ = 884340408. Its totient is φ = 864561600.

The previous prime is 874438703. The next prime is 874438717. The reversal of 874438709 is 907834478.

It can be written as a sum of positive squares in 4 ways, for example, as 312511684 + 561927025 = 17678^2 + 23705^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 874438709 - 2²⁸ = 606003253 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874438703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70739 + ... + 82175.

It is an arithmetic number, because the mean of its divisors is an integer number (110542551).

Almost surely, 2^874438709 is an apocalyptic number.

It is an amenable number.

874438709 is a deficient number, since it is larger than the sum of its proper divisors (9901699).

874438709 is a wasteful number, since it uses less digits than its factorization.

874438709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12295.

The product of its (nonzero) digits is 1354752, while the sum is 50.

The square root of 874438709 is about 29570.9098439666. The cubic root of 874438709 is about 956.2610312481.

The spelling of 874438709 in words is "eight hundred seventy-four million, four hundred thirty-eight thousand, seven hundred nine".