83811077604687 has 32 divisors (see below), whose sum is σ = 120851464817664. Its totient is φ = 51463154304000.

The previous prime is 83811077604673. The next prime is 83811077604689. The reversal of 83811077604687 is 78640677011838.

It is not a de Polignac number, because 83811077604687 - 2⁴ = 83811077604671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83811077604689) 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, 21502812 + ... + 25099662.

It is an arithmetic number, because the mean of its divisors is an integer number (3776608275552).

Almost surely, 2^{83811077604687} is an apocalyptic number.

83811077604687 is a deficient number, since it is larger than the sum of its proper divisors (37040387212977).

83811077604687 is a wasteful number, since it uses less digits than its factorization.

83811077604687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3606639.

The product of its (nonzero) digits is 75866112, while the sum is 66.

The spelling of 83811077604687 in words is "eighty-three trillion, eight hundred eleven billion, seventy-seven million, six hundred four thousand, six hundred eighty-seven".