83700558945 has 48 divisors (see below), whose sum is σ = 146557758672. Its totient is φ = 44187770880.

The previous prime is 83700558923. The next prime is 83700558989. The reversal of 83700558945 is 54985500738.

83700558945 is a `hidden beast` number, since 83 + 7 + 0 + 0 + 558 + 9 + 4 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 5223820176 + 78476738769 = 72276^2 + 280137^2 .

It is not a de Polignac number, because 83700558945 - 2¹⁰ = 83700557921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83700558891 and 83700558900.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2157015 + ... + 2195475.

It is an arithmetic number, because the mean of its divisors is an integer number (3053286639).

Almost surely, 2^83700558945 is an apocalyptic number.

It is an amenable number.

83700558945 is a deficient number, since it is larger than the sum of its proper divisors (62857199727).

83700558945 is a wasteful number, since it uses less digits than its factorization.

83700558945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38962 (or 38959 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 54.

The spelling of 83700558945 in words is "eighty-three billion, seven hundred million, five hundred fifty-eight thousand, nine hundred forty-five".