874611585116477 has 4 divisors (see below), whose sum is σ = 941889399356220. Its totient is φ = 807333770876736.

The previous prime is 874611585116461. The next prime is 874611585116509. The reversal of 874611585116477 is 774611585116478.

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

It can be written as a sum of positive squares in 2 ways, for example, as 51806971662436 + 822804613454041 = 7197706^2 + 28684571^2 .

It is a cyclic number.

It is not a de Polignac number, because 874611585116477 - 2⁴ = 874611585116461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 874611585116477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874611585116077) 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, 33638907119852 + ... + 33638907119877.

It is an arithmetic number, because the mean of its divisors is an integer number (235472349839055).

Almost surely, 2^{874611585116477} is an apocalyptic number.

It is an amenable number.

874611585116477 is a deficient number, since it is larger than the sum of its proper divisors (67277814239743).

874611585116477 is a wasteful number, since it uses less digits than its factorization.

874611585116477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67277814239742.

The product of its digits is 316108800, while the sum is 71.

Subtracting from 874611585116477 its reverse (774611585116478), we obtain a palindrome (99999999999999).

The spelling of 874611585116477 in words is "eight hundred seventy-four trillion, six hundred eleven billion, five hundred eighty-five million, one hundred sixteen thousand, four hundred seventy-seven".