847768401 has 12 divisors (see below), whose sum is σ = 1225910400. Its totient is φ = 564553080.

The previous prime is 847768333. The next prime is 847768417. The reversal of 847768401 is 104867748.

It is not a de Polignac number, because 847768401 - 2²⁵ = 814213969 is a prime.

It is a super-2 number, since 2×847768401² = 1437422523468193602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (847760401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43501 + ... + 59898.

It is an arithmetic number, because the mean of its divisors is an integer number (102159200).

Almost surely, 2^847768401 is an apocalyptic number.

It is an amenable number.

847768401 is a deficient number, since it is larger than the sum of its proper divisors (378141999).

847768401 is a wasteful number, since it uses less digits than its factorization.

847768401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104316 (or 104313 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 847768401 is about 29116.4627144164. The cubic root of 847768401 is about 946.4385212935.

The spelling of 847768401 in words is "eight hundred forty-seven million, seven hundred sixty-eight thousand, four hundred one".