8874687406821 has 8 divisors (see below), whose sum is σ = 11836707941184. Its totient is φ = 5914562571840.

The previous prime is 8874687406787. The next prime is 8874687406831. The reversal of 8874687406821 is 1286047864788.

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

It is not a de Polignac number, because 8874687406821 - 2¹⁵ = 8874687374053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8874687406831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473913921 + ... + 473932646.

It is an arithmetic number, because the mean of its divisors is an integer number (1479588492648).

Almost surely, 2^{8874687406821} is an apocalyptic number.

It is an amenable number.

8874687406821 is a deficient number, since it is larger than the sum of its proper divisors (2962020534363).

8874687406821 is a wasteful number, since it uses less digits than its factorization.

8874687406821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947849691.

The product of its (nonzero) digits is 231211008, while the sum is 69.

The spelling of 8874687406821 in words is "eight trillion, eight hundred seventy-four billion, six hundred eighty-seven million, four hundred six thousand, eight hundred twenty-one".