83080002578 has 4 divisors (see below), whose sum is σ = 124620003870. Its totient is φ = 41540001288.

The previous prime is 83080002463. The next prime is 83080002589. The reversal of 83080002578 is 87520008038.

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

It can be written as a sum of positive squares in only one way, i.e., 66707008729 + 16372993849 = 258277^2 + 127957^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20770000643 + ... + 20770000646.

Almost surely, 2^83080002578 is an apocalyptic number.

83080002578 is a deficient number, since it is larger than the sum of its proper divisors (41540001292).

83080002578 is a wasteful number, since it uses less digits than its factorization.

83080002578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41540001291.

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 83080002578 in words is "eighty-three billion, eighty million, two thousand, five hundred seventy-eight".