83336016761 has 4 divisors (see below), whose sum is σ = 88238135412. Its totient is φ = 78433898112.

The previous prime is 83336016739. The next prime is 83336016787. The reversal of 83336016761 is 16761063338.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32820757225 + 50515259536 = 181165^2 + 224756^2 .

It is a cyclic number.

It is not a de Polignac number, because 83336016761 - 2⁶ = 83336016697 is a prime.

It is a super-2 number, since 2×83336016761² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (83336016791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2451059300 + ... + 2451059333.

It is an arithmetic number, because the mean of its divisors is an integer number (22059533853).

Almost surely, 2^83336016761 is an apocalyptic number.

It is an amenable number.

83336016761 is a deficient number, since it is larger than the sum of its proper divisors (4902118651).

83336016761 is a wasteful number, since it uses less digits than its factorization.

83336016761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4902118650.

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 83336016761 in words is "eighty-three billion, three hundred thirty-six million, sixteen thousand, seven hundred sixty-one".