82387705499 has 8 divisors (see below), whose sum is σ = 89883543360. Its totient is φ = 74892875400.

The previous prime is 82387705483. The next prime is 82387705541. The reversal of 82387705499 is 99450778328.

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 82387705499 - 2⁴ = 82387705483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82387705409) 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, 75629 + ... + 412910.

It is an arithmetic number, because the mean of its divisors is an integer number (11235442920).

Almost surely, 2^82387705499 is an apocalyptic number.

82387705499 is a deficient number, since it is larger than the sum of its proper divisors (7495837861).

82387705499 is a wasteful number, since it uses less digits than its factorization.

82387705499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503881.

The product of its (nonzero) digits is 30481920, while the sum is 62.

The spelling of 82387705499 in words is "eighty-two billion, three hundred eighty-seven million, seven hundred five thousand, four hundred ninety-nine".