8354774538 has 32 divisors (see below), whose sum is σ = 20254000320. Its totient is φ = 2531749680.

The previous prime is 8354774521. The next prime is 8354774539.

It is a happy number.

8354774538 is a `hidden beast` number, since 8 + 35 + 4 + 7 + 74 + 538 = 666.

8354774538 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×8354774538² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (8354774539) 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, 7032045 + ... + 7033232.

It is an arithmetic number, because the mean of its divisors is an integer number (632937510).

Almost surely, 2^8354774538 is an apocalyptic number.

8354774538 is an abundant number, since it is smaller than the sum of its proper divisors (11899225782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8354774538 is a wasteful number, since it uses less digits than its factorization.

8354774538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14065299 (or 14065293 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 54.

The square root of 8354774538 is about 91404.4557885446. The cubic root of 8354774538 is about 2029.1379725476.

The spelling of 8354774538 in words is "eight billion, three hundred fifty-four million, seven hundred seventy-four thousand, five hundred thirty-eight".