83790066715 has 16 divisors (see below), whose sum is σ = 102465064800. Its totient is φ = 65754554112.

The previous prime is 83790066713. The next prime is 83790066739. The reversal of 83790066715 is 51766009738.

It is a cyclic number.

It is not a de Polignac number, because 83790066715 - 2¹ = 83790066713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83790066713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1479796 + ... + 1535374.

It is an arithmetic number, because the mean of its divisors is an integer number (6404066550).

Almost surely, 2^83790066715 is an apocalyptic number.

83790066715 is a deficient number, since it is larger than the sum of its proper divisors (18674998085).

83790066715 is a wasteful number, since it uses less digits than its factorization.

83790066715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61326.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The spelling of 83790066715 in words is "eighty-three billion, seven hundred ninety million, sixty-six thousand, seven hundred fifteen".