8380538551 has 16 divisors (see below), whose sum is σ = 10661702400. Its totient is φ = 6530286840.

The previous prime is 8380538549. The next prime is 8380538609. The reversal of 8380538551 is 1558350838.

It is not a de Polignac number, because 8380538551 - 2¹ = 8380538549 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8380538531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1106821 + ... + 1114366.

It is an arithmetic number, because the mean of its divisors is an integer number (666356400).

Almost surely, 2^8380538551 is an apocalyptic number.

8380538551 is a deficient number, since it is larger than the sum of its proper divisors (2281163849).

8380538551 is a wasteful number, since it uses less digits than its factorization.

8380538551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221219 (or 2221205 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 46.

The square root of 8380538551 is about 91545.2814240035. The cubic root of 8380538551 is about 2031.2216150845.

The spelling of 8380538551 in words is "eight billion, three hundred eighty million, five hundred thirty-eight thousand, five hundred fifty-one".