894654378397 has 16 divisors (see below), whose sum is σ = 1020190111920. Its totient is φ = 777224881152.

The previous prime is 894654378361. The next prime is 894654378413. The reversal of 894654378397 is 793873456498.

894654378397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 100967604516 + 793686773881 = 317754^2 + 890891^2 .

It is not a de Polignac number, because 894654378397 - 2²³ = 894645989789 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 (894654378307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6649363 + ... + 6782575.

It is an arithmetic number, because the mean of its divisors is an integer number (63761881995).

Almost surely, 2^894654378397 is an apocalyptic number.

It is an amenable number.

894654378397 is a deficient number, since it is larger than the sum of its proper divisors (125535733523).

894654378397 is a wasteful number, since it uses less digits than its factorization.

894654378397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163632.

The product of its digits is 1097349120, while the sum is 73.

The spelling of 894654378397 in words is "eight hundred ninety-four billion, six hundred fifty-four million, three hundred seventy-eight thousand, three hundred ninety-seven".