898423622407 has 4 divisors (see below), whose sum is σ = 901312444656. Its totient is φ = 895534800160.

The previous prime is 898423622389. The next prime is 898423622413. The reversal of 898423622407 is 704226324898.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 704226324898 = 2 ⋅352113162449.

It is a cyclic number.

It is not a de Polignac number, because 898423622407 - 2⁷ = 898423622279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (898423622417) 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, 1444410658 + ... + 1444411279.

It is an arithmetic number, because the mean of its divisors is an integer number (225328111164).

Almost surely, 2^898423622407 is an apocalyptic number.

898423622407 is a deficient number, since it is larger than the sum of its proper divisors (2888822249).

898423622407 is a wasteful number, since it uses less digits than its factorization.

898423622407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888822248.

The product of its (nonzero) digits is 9289728, while the sum is 55.

The spelling of 898423622407 in words is "eight hundred ninety-eight billion, four hundred twenty-three million, six hundred twenty-two thousand, four hundred seven".