402027087 has 32 divisors (see below), whose sum is σ = 691361280. Its totient is φ = 201640320.

The previous prime is 402027083. The next prime is 402027091. The reversal of 402027087 is 780720204.

It is an interprime number because it is at equal distance from previous prime (402027083) and next prime (402027091).

It is not a de Polignac number, because 402027087 - 2² = 402027083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402027083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23308 + ... + 36705.

It is an arithmetic number, because the mean of its divisors is an integer number (21605040).

Almost surely, 2^402027087 is an apocalyptic number.

402027087 is a deficient number, since it is larger than the sum of its proper divisors (289334193).

402027087 is a wasteful number, since it uses less digits than its factorization.

402027087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60063.

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 402027087 is about 20050.6131327698. The cubic root of 402027087 is about 738.0488451892.

The spelling of 402027087 in words is "four hundred two million, twenty-seven thousand, eighty-seven".