83217499752 has 64 divisors (see below), whose sum is σ = 220203547200. Its totient is φ = 26133995520.

The previous prime is 83217499751. The next prime is 83217499759. The reversal of 83217499752 is 25799471238.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 83217499692 and 83217499701.

It is not an unprimeable number, because it can be changed into a prime (83217499751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421593 + ... + 586664.

It is an arithmetic number, because the mean of its divisors is an integer number (3440680425).

Almost surely, 2^83217499752 is an apocalyptic number.

It is an amenable number.

83217499752 is an abundant number, since it is smaller than the sum of its proper divisors (136986047448).

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

83217499752 is a wasteful number, since it uses less digits than its factorization.

83217499752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008466 (or 1008462 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 57.

The spelling of 83217499752 in words is "eighty-three billion, two hundred seventeen million, four hundred ninety-nine thousand, seven hundred fifty-two".