83077685823 has 32 divisors (see below), whose sum is σ = 125049680640. Its totient is φ = 48597373440.

The previous prime is 83077685807. The next prime is 83077685837. The reversal of 83077685823 is 32858677038.

It is a Cunningham number, because it is equal to 288232²-1.

It is not a de Polignac number, because 83077685823 - 2⁴ = 83077685807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83077685423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3157440 + ... + 3183642.

It is an arithmetic number, because the mean of its divisors is an integer number (3907802520).

Almost surely, 2^83077685823 is an apocalyptic number.

83077685823 is a deficient number, since it is larger than the sum of its proper divisors (41971994817).

83077685823 is a wasteful number, since it uses less digits than its factorization.

83077685823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29559.

The product of its (nonzero) digits is 13547520, while the sum is 57.

The spelling of 83077685823 in words is "eighty-three billion, seventy-seven million, six hundred eighty-five thousand, eight hundred twenty-three".