8626147621 has 48 divisors (see below), whose sum is σ = 10968988800. Its totient is φ = 6723222912.

The previous prime is 8626147619. The next prime is 8626147657. The reversal of 8626147621 is 1267416268.

It is not a de Polignac number, because 8626147621 - 2¹ = 8626147619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8626147681) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19649320 + ... + 19649758.

It is an arithmetic number, because the mean of its divisors is an integer number (228520600).

Almost surely, 2^8626147621 is an apocalyptic number.

It is an amenable number.

8626147621 is a deficient number, since it is larger than the sum of its proper divisors (2342841179).

8626147621 is a wasteful number, since it uses less digits than its factorization.

8626147621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858 (or 851 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 8626147621 is about 92877.0564832887. The cubic root of 8626147621 is about 2050.8739181737.

The spelling of 8626147621 in words is "eight billion, six hundred twenty-six million, one hundred forty-seven thousand, six hundred twenty-one".