82802940026 has 64 divisors (see below), whose sum is σ = 139917261600. Its totient is φ = 36554563584.

The previous prime is 82802940001. The next prime is 82802940083. The reversal of 82802940026 is 62004920828.

It is a Cunningham number, because it is equal to 287755²+1.

It can be written as a sum of positive squares in 16 ways, for example, as 17622297001 + 65180643025 = 132749^2 + 255305^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40019720 + ... + 40021788.

Almost surely, 2^82802940026 is an apocalyptic number.

82802940026 is a deficient number, since it is larger than the sum of its proper divisors (57114321574).

82802940026 is a wasteful number, since it uses less digits than its factorization.

82802940026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3251.

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 82802940026 in words is "eighty-two billion, eight hundred two million, nine hundred forty thousand, twenty-six".