8534577972 has 24 divisors (see below), whose sum is σ = 20111186592. Its totient is φ = 2816692000.

The previous prime is 8534577943. The next prime is 8534577973. The reversal of 8534577972 is 2797754358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8534577973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3519654 + ... + 3522077.

It is an arithmetic number, because the mean of its divisors is an integer number (837966108).

Almost surely, 2^8534577972 is an apocalyptic number.

It is an amenable number.

8534577972 is an abundant number, since it is smaller than the sum of its proper divisors (11576608620).

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

8534577972 is a wasteful number, since it uses less digits than its factorization.

8534577972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7041839 (or 7041837 counting only the distinct ones).

The product of its digits is 14817600, while the sum is 57.

The square root of 8534577972 is about 92382.7796291062. The cubic root of 8534577972 is about 2043.5911667977.

The spelling of 8534577972 in words is "eight billion, five hundred thirty-four million, five hundred seventy-seven thousand, nine hundred seventy-two".