83948811793 has 18 divisors (see below), whose sum is σ = 107339515458. Its totient is φ = 65414653920.

The previous prime is 83948811787. The next prime is 83948811799. The reversal of 83948811793 is 39711884938.

It is an interprime number because it is at equal distance from previous prime (83948811787) and next prime (83948811799).

It can be written as a sum of positive squares in only one way, i.e., 75818723904 + 8130087889 = 275352^2 + 90167^2 .

It is not a de Polignac number, because 83948811793 - 2²⁹ = 83411940881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83948811799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7073580 + ... + 7085437.

Almost surely, 2^83948811793 is an apocalyptic number.

It is an amenable number.

83948811793 is a deficient number, since it is larger than the sum of its proper divisors (23390703665).

83948811793 is a wasteful number, since it uses less digits than its factorization.

83948811793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14159053 (or 14159035 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 61.

The spelling of 83948811793 in words is "eighty-three billion, nine hundred forty-eight million, eight hundred eleven thousand, seven hundred ninety-three".