874389485 has 8 divisors (see below), whose sum is σ = 1056927096. Its totient is φ = 694405120.

The previous prime is 874389449. The next prime is 874389487. The reversal of 874389485 is 584983478.

It can be written as a sum of positive squares in 4 ways, for example, as 135745801 + 738643684 = 11651^2 + 27178^2 .

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

It is not a de Polignac number, because 874389485 - 2¹⁰ = 874388461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 874389485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874389487) 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, 637556 + ... + 638925.

It is an arithmetic number, because the mean of its divisors is an integer number (132115887).

Almost surely, 2^874389485 is an apocalyptic number.

It is an amenable number.

874389485 is a deficient number, since it is larger than the sum of its proper divisors (182537611).

874389485 is a wasteful number, since it uses less digits than its factorization.

874389485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276623.

The product of its digits is 7741440, while the sum is 56.

The square root of 874389485 is about 29570.0775277983. The cubic root of 874389485 is about 956.2430875944.

The spelling of 874389485 in words is "eight hundred seventy-four million, three hundred eighty-nine thousand, four hundred eighty-five".