8629890554 has 12 divisors (see below), whose sum is σ = 13662002394. Its totient is φ = 4087842552.

The previous prime is 8629890551. The next prime is 8629890583. The reversal of 8629890554 is 4550989268.

It can be written as a sum of positive squares in only one way, i.e., 5009100625 + 3620789929 = 70775^2 + 60173^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8629890554.

It is not an unprimeable number, because it can be changed into a prime (8629890551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5975657 + ... + 5977100.

Almost surely, 2^8629890554 is an apocalyptic number.

8629890554 is a deficient number, since it is larger than the sum of its proper divisors (5032111840).

8629890554 is a wasteful number, since it uses less digits than its factorization.

8629890554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11952797 (or 11952778 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 56.

The square root of 8629890554 is about 92897.2042313438. The cubic root of 8629890554 is about 2051.1705037803.

The spelling of 8629890554 in words is "eight billion, six hundred twenty-nine million, eight hundred ninety thousand, five hundred fifty-four".