83072818807 has 16 divisors (see below), whose sum is σ = 91107080064. Its totient is φ = 75119940000.

The previous prime is 83072818793. The next prime is 83072818823. The reversal of 83072818807 is 70881827038.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 83072818807 - 2⁷ = 83072818679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83072818207) 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, 1633057 + ... + 1683157.

It is an arithmetic number, because the mean of its divisors is an integer number (5694192504).

Almost surely, 2^83072818807 is an apocalyptic number.

83072818807 is a deficient number, since it is larger than the sum of its proper divisors (8034261257).

83072818807 is a wasteful number, since it uses less digits than its factorization.

83072818807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50910.

The product of its (nonzero) digits is 1204224, while the sum is 52.

The spelling of 83072818807 in words is "eighty-three billion, seventy-two million, eight hundred eighteen thousand, eight hundred seven".