8552161779 has 32 divisors (see below), whose sum is σ = 13310922240. Its totient is φ = 4782765312.

The previous prime is 8552161727. The next prime is 8552161789. The reversal of 8552161779 is 9771612558.

It is not a de Polignac number, because 8552161779 - 2⁸ = 8552161523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8552161789) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 445824 + ... + 464610.

It is an arithmetic number, because the mean of its divisors is an integer number (415966320).

Almost surely, 2^8552161779 is an apocalyptic number.

8552161779 is a deficient number, since it is larger than the sum of its proper divisors (4758760461).

8552161779 is a wasteful number, since it uses less digits than its factorization.

8552161779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19259.

The product of its digits is 1058400, while the sum is 51.

The square root of 8552161779 is about 92477.8988677835. The cubic root of 8552161779 is about 2044.9936756121.

The spelling of 8552161779 in words is "eight billion, five hundred fifty-two million, one hundred sixty-one thousand, seven hundred seventy-nine".