82623070491 has 16 divisors (see below), whose sum is σ = 119234438400. Its totient is φ = 50589459360.

The previous prime is 82623070451. The next prime is 82623070501. The reversal of 82623070491 is 19407032628.

It is not a de Polignac number, because 82623070491 - 2⁶ = 82623070427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82623070451) 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, 5315205 + ... + 5330726.

It is an arithmetic number, because the mean of its divisors is an integer number (7452152400).

Almost surely, 2^82623070491 is an apocalyptic number.

82623070491 is a deficient number, since it is larger than the sum of its proper divisors (36611367909).

82623070491 is a wasteful number, since it uses less digits than its factorization.

82623070491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10646146.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 82623070491 in words is "eighty-two billion, six hundred twenty-three million, seventy thousand, four hundred ninety-one".