876506399 has 4 divisors (see below), whose sum is σ = 876603336. Its totient is φ = 876409464.

The previous prime is 876506341. The next prime is 876506429. The reversal of 876506399 is 993605678.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 876506399 - 2⁸ = 876506143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 876506399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (876506599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33329 + ... + 53514.

It is an arithmetic number, because the mean of its divisors is an integer number (219150834).

Almost surely, 2^876506399 is an apocalyptic number.

876506399 is a deficient number, since it is larger than the sum of its proper divisors (96937).

876506399 is a wasteful number, since it uses less digits than its factorization.

876506399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96936.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The square root of 876506399 is about 29605.8507562272. The cubic root of 876506399 is about 957.0141600578.

It can be divided in two parts, 87650 and 6399, that added together give a palindrome (94049).

The spelling of 876506399 in words is "eight hundred seventy-six million, five hundred six thousand, three hundred ninety-nine".