84964376965 has 16 divisors (see below), whose sum is σ = 109809529200. Its totient is φ = 62737546752.

The previous prime is 84964376963. The next prime is 84964376977. The reversal of 84964376965 is 56967346948.

It can be written as a sum of positive squares in 8 ways, for example, as 3363884001 + 81600492964 = 57999^2 + 285658^2 .

It is a cyclic number.

It is not a de Polignac number, because 84964376965 - 2¹ = 84964376963 is a prime.

It is a super-2 number, since 2×84964376965² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 84964376965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84964376963) 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, 810481 + ... + 909289.

It is an arithmetic number, because the mean of its divisors is an integer number (6863095575).

Almost surely, 2^84964376965 is an apocalyptic number.

It is an amenable number.

84964376965 is a deficient number, since it is larger than the sum of its proper divisors (24845152235).

84964376965 is a wasteful number, since it uses less digits than its factorization.

84964376965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112056.

The product of its digits is 235146240, while the sum is 67.

The spelling of 84964376965 in words is "eighty-four billion, nine hundred sixty-four million, three hundred seventy-six thousand, nine hundred sixty-five".