8537782272 has 96 divisors (see below), whose sum is σ = 23317716240. Its totient is φ = 2776432640.

The previous prime is 8537782241. The next prime is 8537782283. The reversal of 8537782272 is 2722877358.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×8537782272² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234958 + ... + 268850.

Almost surely, 2^8537782272 is an apocalyptic number.

8537782272 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8537782272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11658858120).

8537782272 is an abundant number, since it is smaller than the sum of its proper divisors (14779933968).

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

8537782272 is a wasteful number, since it uses less digits than its factorization.

8537782272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33959 (or 33939 counting only the distinct ones).

The product of its digits is 2634240, while the sum is 51.

The square root of 8537782272 is about 92400.1205194019. The cubic root of 8537782272 is about 2043.8468896486.

The spelling of 8537782272 in words is "eight billion, five hundred thirty-seven million, seven hundred eighty-two thousand, two hundred seventy-two".