411979887 has 96 divisors (see below), whose sum is σ = 744007680. Its totient is φ = 216437760.

The previous prime is 411979859. The next prime is 411979903. The reversal of 411979887 is 788979114.

It is not a de Polignac number, because 411979887 - 2¹⁰ = 411978863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (411971887) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1122378 + ... + 1122744.

It is an arithmetic number, because the mean of its divisors is an integer number (7750080).

Almost surely, 2^411979887 is an apocalyptic number.

411979887 is a deficient number, since it is larger than the sum of its proper divisors (332027793).

411979887 is a wasteful number, since it uses less digits than its factorization.

411979887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453 (or 450 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 54.

The square root of 411979887 is about 20297.2876759433. The cubic root of 411979887 is about 744.0897773643.

It can be divided in two parts, 4119798 and 87, that added together give a triangular number (4119885 = T₂₈₇₀).

The spelling of 411979887 in words is "four hundred eleven million, nine hundred seventy-nine thousand, eight hundred eighty-seven".