83780833548 has 24 divisors (see below), whose sum is σ = 195516659520. Its totient is φ = 27922937680.

The previous prime is 83780833541. The next prime is 83780833567. The reversal of 83780833548 is 84533808738.

It is not an unprimeable number, because it can be changed into a prime (83780833541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413118 + ... + 581573.

It is an arithmetic number, because the mean of its divisors is an integer number (8146527480).

Almost surely, 2^83780833548 is an apocalyptic number.

It is an amenable number.

83780833548 is an abundant number, since it is smaller than the sum of its proper divisors (111735825972).

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

83780833548 is a wasteful number, since it uses less digits than its factorization.

83780833548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001717 (or 1001715 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 57.

The spelling of 83780833548 in words is "eighty-three billion, seven hundred eighty million, eight hundred thirty-three thousand, five hundred forty-eight".