82376778264143 has 8 divisors (see below), whose sum is σ = 89865657048960. Its totient is φ = 74887912939480.

The previous prime is 82376778264097. The next prime is 82376778264197. The reversal of 82376778264143 is 34146287767328.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82376778264143 - 2⁸ = 82376778263887 is a prime.

It is a super-2 number, since 2×82376778264143² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82376778204143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12813248 + ... + 18136506.

It is an arithmetic number, because the mean of its divisors is an integer number (11233207131120).

Almost surely, 2^{82376778264143} is an apocalyptic number.

82376778264143 is a deficient number, since it is larger than the sum of its proper divisors (7488878784817).

82376778264143 is a wasteful number, since it uses less digits than its factorization.

82376778264143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6730077.

The product of its digits is 455196672, while the sum is 68.

The spelling of 82376778264143 in words is "eighty-two trillion, three hundred seventy-six billion, seven hundred seventy-eight million, two hundred sixty-four thousand, one hundred forty-three".