402119879 has 36 divisors (see below), whose sum is σ = 500805648. Its totient is φ = 316229760.

The previous prime is 402119867. The next prime is 402119891. The reversal of 402119879 is 978911204.

It is an interprime number because it is at equal distance from previous prime (402119867) and next prime (402119891).

It is not a de Polignac number, because 402119879 - 2⁸ = 402119623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402119779) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3558527 + ... + 3558639.

It is an arithmetic number, because the mean of its divisors is an integer number (13911268).

Almost surely, 2^402119879 is an apocalyptic number.

402119879 is a deficient number, since it is larger than the sum of its proper divisors (98685769).

402119879 is a wasteful number, since it uses less digits than its factorization.

402119879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 402119879 is about 20052.9269434664. The cubic root of 402119879 is about 738.1056239174.

The spelling of 402119879 in words is "four hundred two million, one hundred nineteen thousand, eight hundred seventy-nine".