83705513331752 has 32 divisors (see below), whose sum is σ = 169154998336800. Its totient is φ = 38602628071104.

The previous prime is 83705513331719. The next prime is 83705513331823. The reversal of 83705513331752 is 25713331550738.

It is a super-2 number, since 2×83705513331752² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83705513331694 and 83705513331703.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319511918 + ... + 319773789.

It is an arithmetic number, because the mean of its divisors is an integer number (5286093698025).

Almost surely, 2^{83705513331752} is an apocalyptic number.

It is an amenable number.

83705513331752 is an abundant number, since it is smaller than the sum of its proper divisors (85449485005048).

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

83705513331752 is a wasteful number, since it uses less digits than its factorization.

83705513331752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639286985 (or 639286981 counting only the distinct ones).

The product of its (nonzero) digits is 7938000, while the sum is 53.

The spelling of 83705513331752 in words is "eighty-three trillion, seven hundred five billion, five hundred thirteen million, three hundred thirty-one thousand, seven hundred fifty-two".