700066861 has 16 divisors (see below), whose sum is σ = 767551680. Its totient is φ = 634608000.

The previous prime is 700066859. The next prime is 700066879. The reversal of 700066861 is 168660007.

700066861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 700066861 - 2¹ = 700066859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (700066811) 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, 236730 + ... + 239668.

It is an arithmetic number, because the mean of its divisors is an integer number (47971980).

Almost surely, 2^700066861 is an apocalyptic number.

It is an amenable number.

700066861 is a deficient number, since it is larger than the sum of its proper divisors (67484819).

700066861 is a wasteful number, since it uses less digits than its factorization.

700066861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 700066861 is about 26458.7766346065. The cubic root of 700066861 is about 887.9322704376.

It can be divided in two parts, 70006 and 6861, that added together give a palindrome (76867).

The spelling of 700066861 in words is "seven hundred million, sixty-six thousand, eight hundred sixty-one".