83278275086 has 4 divisors (see below), whose sum is σ = 124917412632. Its totient is φ = 41639137542.

The previous prime is 83278275019. The next prime is 83278275103. The reversal of 83278275086 is 68057287238.

It is a happy number.

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

It is a super-2 number, since 2×83278275086² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20819568770 + ... + 20819568773.

It is an arithmetic number, because the mean of its divisors is an integer number (31229353158).

Almost surely, 2^83278275086 is an apocalyptic number.

83278275086 is a deficient number, since it is larger than the sum of its proper divisors (41639137546).

83278275086 is a wasteful number, since it uses less digits than its factorization.

83278275086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41639137545.

The product of its (nonzero) digits is 9031680, while the sum is 56.

The spelling of 83278275086 in words is "eighty-three billion, two hundred seventy-eight million, two hundred seventy-five thousand, eighty-six".