402477047 has 8 divisors (see below), whose sum is σ = 460635552. Its totient is φ = 344484000.

The previous prime is 402477041. The next prime is 402477059. The reversal of 402477047 is 740774204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 402477047 - 2¹⁸ = 402214903 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402476998 and 402477016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402477041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36104 + ... + 45917.

It is an arithmetic number, because the mean of its divisors is an integer number (57579444).

Almost surely, 2^402477047 is an apocalyptic number.

402477047 is a deficient number, since it is larger than the sum of its proper divisors (58158505).

402477047 is an equidigital number, since it uses as much as digits as its factorization.

402477047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82729.

The product of its (nonzero) digits is 43904, while the sum is 35.

The square root of 402477047 is about 20061.8305994244. The cubic root of 402477047 is about 738.3240908549.

The spelling of 402477047 in words is "four hundred two million, four hundred seventy-seven thousand, forty-seven".