874349761898 has 4 divisors (see below), whose sum is σ = 1311524642850. Its totient is φ = 437174880948.

The previous prime is 874349761877. The next prime is 874349761921. The reversal of 874349761898 is 898167943478.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 668726511049 + 205623250849 = 817757^2 + 453457^2 .

It is a super-2 number, since 2×874349761898² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218587440473 + ... + 218587440476.

Almost surely, 2^874349761898 is an apocalyptic number.

874349761898 is a deficient number, since it is larger than the sum of its proper divisors (437174880952).

874349761898 is a wasteful number, since it uses less digits than its factorization.

874349761898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437174880951.

The product of its digits is 585252864, while the sum is 74.

The spelling of 874349761898 in words is "eight hundred seventy-four billion, three hundred forty-nine million, seven hundred sixty-one thousand, eight hundred ninety-eight".