83639463079 has 16 divisors (see below), whose sum is σ = 85718102976. Its totient is φ = 81585504000.

The previous prime is 83639463077. The next prime is 83639463101. The reversal of 83639463079 is 97036493638.

It is a cyclic number.

It is not a de Polignac number, because 83639463079 - 2¹ = 83639463077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83639463071) 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, 5675829 + ... + 5690545.

It is an arithmetic number, because the mean of its divisors is an integer number (5357381436).

Almost surely, 2^83639463079 is an apocalyptic number.

83639463079 is a deficient number, since it is larger than the sum of its proper divisors (2078639897).

83639463079 is a wasteful number, since it uses less digits than its factorization.

83639463079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15546.

The product of its (nonzero) digits is 17635968, while the sum is 58.

The spelling of 83639463079 in words is "eighty-three billion, six hundred thirty-nine million, four hundred sixty-three thousand, seventy-nine".