874834438477 has 4 divisors (see below), whose sum is σ = 893447937216. Its totient is φ = 856220939740.

The previous prime is 874834438469. The next prime is 874834438519. The reversal of 874834438477 is 774834438478.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 874834438477 - 2³ = 874834438469 is a prime.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874834432477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9306749299 + ... + 9306749392.

It is an arithmetic number, because the mean of its divisors is an integer number (223361984304).

Almost surely, 2^874834438477 is an apocalyptic number.

It is an amenable number.

874834438477 is a deficient number, since it is larger than the sum of its proper divisors (18613498739).

874834438477 is a wasteful number, since it uses less digits than its factorization.

874834438477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18613498738.

The product of its digits is 404619264, while the sum is 67.

Subtracting from 874834438477 its reverse (774834438478), we obtain a palindrome (99999999999).

The spelling of 874834438477 in words is "eight hundred seventy-four billion, eight hundred thirty-four million, four hundred thirty-eight thousand, four hundred seventy-seven".