83765143627864 has 32 divisors (see below), whose sum is σ = 157152103700400. Its totient is φ = 41857918748800.

The previous prime is 83765143627859. The next prime is 83765143627883. The reversal of 83765143627864 is 46872634156738.

It is a super-3 number, since 3×83765143627864³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83765143627793 and 83765143627802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255132642 + ... + 255460750.

Almost surely, 2^{83765143627864} is an apocalyptic number.

It is an amenable number.

83765143627864 is a deficient number, since it is larger than the sum of its proper divisors (73386960072536).

83765143627864 is a wasteful number, since it uses less digits than its factorization.

83765143627864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346803 (or 346799 counting only the distinct ones).

The product of its digits is 975421440, while the sum is 70.

The spelling of 83765143627864 in words is "eighty-three trillion, seven hundred sixty-five billion, one hundred forty-three million, six hundred twenty-seven thousand, eight hundred sixty-four".