83745061005 has 16 divisors (see below), whose sum is σ = 134428561344. Its totient is φ = 44518544640.

The previous prime is 83745060989. The next prime is 83745061009. The reversal of 83745061005 is 50016054738.

It is not a de Polignac number, because 83745061005 - 2⁴ = 83745060989 is a prime.

It is a super-2 number, since 2×83745061005² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83745061009) 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, 9088236 + ... + 9097445.

It is an arithmetic number, because the mean of its divisors is an integer number (8401785084).

Almost surely, 2^83745061005 is an apocalyptic number.

It is an amenable number.

83745061005 is a deficient number, since it is larger than the sum of its proper divisors (50683500339).

83745061005 is a wasteful number, since it uses less digits than its factorization.

83745061005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18185996.

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 83745061005 in words is "eighty-three billion, seven hundred forty-five million, sixty-one thousand, five".