83635228480 has 28 divisors (see below), whose sum is σ = 199156388580. Its totient is φ = 33454091264.

The previous prime is 83635228447. The next prime is 83635228483. The reversal of 83635228480 is 8482253638.

It can be written as a sum of positive squares in 2 ways, for example, as 9555453504 + 74079774976 = 97752^2 + 272176^2 .

It is a super-2 number, since 2×83635228480² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83635228483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130679725 + ... + 130680364.

Almost surely, 2^83635228480 is an apocalyptic number.

83635228480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

83635228480 is an abundant number, since it is smaller than the sum of its proper divisors (115521160100).

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

83635228480 is a wasteful number, since it uses less digits than its factorization.

83635228480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261360106 (or 261360096 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 49.

The spelling of 83635228480 in words is "eighty-three billion, six hundred thirty-five million, two hundred twenty-eight thousand, four hundred eighty".