402033877 has 6 divisors (see below), whose sum is σ = 467672118. Its totient is φ = 344600424.

The previous prime is 402033869. The next prime is 402033881. The reversal of 402033877 is 778330204.

It can be written as a sum of positive squares in only one way, i.e., 379509361 + 22524516 = 19481^2 + 4746^2 .

It is not a de Polignac number, because 402033877 - 2³ = 402033869 is a prime.

It is a super-2 number, since 2×402033877² = 323262476511302258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402033887) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4102338 + ... + 4102435.

It is an arithmetic number, because the mean of its divisors is an integer number (77945353).

Almost surely, 2^402033877 is an apocalyptic number.

It is an amenable number.

402033877 is a deficient number, since it is larger than the sum of its proper divisors (65638241).

402033877 is an equidigital number, since it uses as much as digits as its factorization.

402033877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8204787 (or 8204780 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 402033877 is about 20050.7824535603. The cubic root of 402033877 is about 738.0530002354.

The spelling of 402033877 in words is "four hundred two million, thirty-three thousand, eight hundred seventy-seven".