401177047 has 2 divisors, whose sum is σ = 401177048. Its totient is φ = 401177046.

The previous prime is 401177041. The next prime is 401177093. The reversal of 401177047 is 740771104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401177047 - 2¹⁵ = 401144279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401177041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200588523 + 200588524.

It is an arithmetic number, because the mean of its divisors is an integer number (200588524).

Almost surely, 2^401177047 is an apocalyptic number.

401177047 is a deficient number, since it is larger than the sum of its proper divisors (1).

401177047 is an equidigital number, since it uses as much as digits as its factorization.

401177047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5488, while the sum is 31.

The square root of 401177047 is about 20029.4045592973. The cubic root of 401177047 is about 737.5283050326.

The spelling of 401177047 in words is "four hundred one million, one hundred seventy-seven thousand, forty-seven".