84570650707 has 4 divisors (see below), whose sum is σ = 84694473720. Its totient is φ = 84446827696.

The previous prime is 84570650693. The next prime is 84570650711. The reversal of 84570650707 is 70705607548.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84570650707 - 2¹⁵ = 84570617939 is a prime.

It is a super-2 number, since 2×84570650707² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84570650767) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 61910482 + ... + 61911847.

It is an arithmetic number, because the mean of its divisors is an integer number (21173618430).

Almost surely, 2^84570650707 is an apocalyptic number.

84570650707 is a deficient number, since it is larger than the sum of its proper divisors (123823013).

84570650707 is a wasteful number, since it uses less digits than its factorization.

84570650707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123823012.

The product of its (nonzero) digits is 1646400, while the sum is 49.

The spelling of 84570650707 in words is "eighty-four billion, five hundred seventy million, six hundred fifty thousand, seven hundred seven".