82706743723520 has 80 divisors (see below), whose sum is σ = 226631246912928. Its totient is φ = 28356597841920.

The previous prime is 82706743723517. The next prime is 82706743723547. The reversal of 82706743723520 is 2532734760728.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (56).

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, 2307647921 + ... + 2307683760.

Almost surely, 2^{82706743723520} is an apocalyptic number.

82706743723520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

82706743723520 is an abundant number, since it is smaller than the sum of its proper divisors (143924503189408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82706743723520 is an equidigital number, since it uses as much as digits as its factorization.

82706743723520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4615331711 (or 4615331695 counting only the distinct ones).

The product of its (nonzero) digits is 23708160, while the sum is 56.

The spelling of 82706743723520 in words is "eighty-two trillion, seven hundred six billion, seven hundred forty-three million, seven hundred twenty-three thousand, five hundred twenty".