8477230551621 has 64 divisors (see below), whose sum is σ = 12747234124800. Its totient is φ = 4976108467200.

The previous prime is 8477230551553. The next prime is 8477230551623. The reversal of 8477230551621 is 1261550327748.

It is not a de Polignac number, because 8477230551621 - 2¹⁰ = 8477230550597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8477230551623) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 99456580 + ... + 99541778.

It is an arithmetic number, because the mean of its divisors is an integer number (199175533200).

Almost surely, 2^{8477230551621} is an apocalyptic number.

It is an amenable number.

8477230551621 is a deficient number, since it is larger than the sum of its proper divisors (4270003573179).

8477230551621 is a wasteful number, since it uses less digits than its factorization.

8477230551621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86606.

The product of its (nonzero) digits is 2822400, while the sum is 51.

The spelling of 8477230551621 in words is "eight trillion, four hundred seventy-seven billion, two hundred thirty million, five hundred fifty-one thousand, six hundred twenty-one".