83704563 has 8 divisors (see below), whose sum is σ = 124006800. Its totient is φ = 55803024.

The previous prime is 83704559. The next prime is 83704573. The reversal of 83704563 is 36540738.

It is a happy number.

It is not a de Polignac number, because 83704563 - 2² = 83704559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83704573) 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, 1550058 + ... + 1550111.

It is an arithmetic number, because the mean of its divisors is an integer number (15500850).

Almost surely, 2^83704563 is an apocalyptic number.

83704563 is a deficient number, since it is larger than the sum of its proper divisors (40302237).

83704563 is a wasteful number, since it uses less digits than its factorization.

83704563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3100178 (or 3100172 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 83704563 is about 9149.0197835615. The cubic root of 83704563 is about 437.4378695989.

The spelling of 83704563 in words is "eighty-three million, seven hundred four thousand, five hundred sixty-three".