8877421 has 8 divisors (see below), whose sum is σ = 10199744. Its totient is φ = 7568640.

The previous prime is 8877419. The next prime is 8877461. The reversal of 8877421 is 1247788.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8877421 - 2¹ = 8877419 is a prime.

It is a super-2 number, since 2×8877421² = 157617207222482, which contains 22 as substring.

It is the 2980-th Hogben number.

It is a Duffinian number.

It is a nialpdrome in base 10 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8877461) by changing a digit.

It is a nontrivial repunit in base 2979.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1935 + ... + 4636.

It is an arithmetic number, because the mean of its divisors is an integer number (1274968).

Almost surely, 2^8877421 is an apocalyptic number.

It is an amenable number.

8877421 is a deficient number, since it is larger than the sum of its proper divisors (1322323).

8877421 is a wasteful number, since it uses less digits than its factorization.

8877421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6771.

The product of its digits is 25088, while the sum is 37.

The square root of 8877421 is about 2979.5001258600. The cubic root of 8877421 is about 207.0597119000.

The spelling of 8877421 in words is "eight million, eight hundred seventy-seven thousand, four hundred twenty-one".