83503788137 has 16 divisors (see below), whose sum is σ = 105873177600. Its totient is φ = 63965037840.

The previous prime is 83503788113. The next prime is 83503788191. The reversal of 83503788137 is 73188730538.

It is not a de Polignac number, because 83503788137 - 2⁸ = 83503787881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83503788637) 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, 9185837 + ... + 9194922.

It is an arithmetic number, because the mean of its divisors is an integer number (6617073600).

Almost surely, 2^83503788137 is an apocalyptic number.

It is an amenable number.

83503788137 is a deficient number, since it is larger than the sum of its proper divisors (22369389463).

83503788137 is a wasteful number, since it uses less digits than its factorization.

83503788137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18380836.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 83503788137 in words is "eighty-three billion, five hundred three million, seven hundred eighty-eight thousand, one hundred thirty-seven".