82294321478 has 4 divisors (see below), whose sum is σ = 123441482220. Its totient is φ = 41147160738.

The previous prime is 82294321469. The next prime is 82294321559. The reversal of 82294321478 is 87412349228.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20573580368 + ... + 20573580371.

It is an arithmetic number, because the mean of its divisors is an integer number (30860370555).

Almost surely, 2^82294321478 is an apocalyptic number.

82294321478 is a deficient number, since it is larger than the sum of its proper divisors (41147160742).

82294321478 is a wasteful number, since it uses less digits than its factorization.

82294321478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41147160741.

The product of its digits is 1548288, while the sum is 50.

The spelling of 82294321478 in words is "eighty-two billion, two hundred ninety-four million, three hundred twenty-one thousand, four hundred seventy-eight".