894420377431 has 32 divisors (see below), whose sum is σ = 1071168215040. Its totient is φ = 730201595904.

The previous prime is 894420377429. The next prime is 894420377467. The reversal of 894420377431 is 134773024498.

It is a cyclic number.

It is not a de Polignac number, because 894420377431 - 2¹ = 894420377429 is a prime.

It is a super-2 number, since 2×894420377431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (894420377231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160604215 + ... + 160609783.

It is an arithmetic number, because the mean of its divisors is an integer number (33474006720).

Almost surely, 2^894420377431 is an apocalyptic number.

894420377431 is a deficient number, since it is larger than the sum of its proper divisors (176747837609).

894420377431 is a wasteful number, since it uses less digits than its factorization.

894420377431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9655.

The product of its (nonzero) digits is 4064256, while the sum is 52.

The spelling of 894420377431 in words is "eight hundred ninety-four billion, four hundred twenty million, three hundred seventy-seven thousand, four hundred thirty-one".