108376821 has 24 divisors (see below), whose sum is σ = 179996544. Its totient is φ = 61552800.

The previous prime is 108376787. The next prime is 108376823. The reversal of 108376821 is 128673801.

It is not a de Polignac number, because 108376821 - 2⁶ = 108376757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108376823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5371 + ... + 15671.

It is an arithmetic number, because the mean of its divisors is an integer number (7499856).

Almost surely, 2^108376821 is an apocalyptic number.

It is an amenable number.

108376821 is a deficient number, since it is larger than the sum of its proper divisors (71619723).

108376821 is a wasteful number, since it uses less digits than its factorization.

108376821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10481 (or 10478 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 108376821 is about 10410.4188676537. The cubic root of 108376821 is about 476.7735301399.

The spelling of 108376821 in words is "one hundred eight million, three hundred seventy-six thousand, eight hundred twenty-one".