83557464 has 16 divisors (see below), whose sum is σ = 208893720. Its totient is φ = 27852480.

The previous prime is 83557457. The next prime is 83557483. The reversal of 83557464 is 46475538.

It is a super-2 number, since 2×83557464² = 13963699580222592, which 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 3 ways as a sum of consecutive naturals, for example, 1740757 + ... + 1740804.

Almost surely, 2^83557464 is an apocalyptic number.

It is an amenable number.

83557464 is an abundant number, since it is smaller than the sum of its proper divisors (125336256).

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

83557464 is a wasteful number, since it uses less digits than its factorization.

83557464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3481570 (or 3481566 counting only the distinct ones).

The product of its digits is 403200, while the sum is 42.

The square root of 83557464 is about 9140.9771906509. The cubic root of 83557464 is about 437.1814741643.

The spelling of 83557464 in words is "eighty-three million, five hundred fifty-seven thousand, four hundred sixty-four".