83377256979 has 8 divisors (see below), whose sum is σ = 111733989840. Its totient is φ = 55302681056.

The previous prime is 83377256971. The next prime is 83377256987. The reversal of 83377256979 is 97965277338.

It is an interprime number because it is at equal distance from previous prime (83377256971) and next prime (83377256987).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83377256979 - 2³ = 83377256971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83377256971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70538544 + ... + 70539725.

It is an arithmetic number, because the mean of its divisors is an integer number (13966748730).

Almost surely, 2^83377256979 is an apocalyptic number.

83377256979 is a deficient number, since it is larger than the sum of its proper divisors (28356732861).

83377256979 is a wasteful number, since it uses less digits than its factorization.

83377256979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141078469.

The product of its digits is 120022560, while the sum is 66.

The spelling of 83377256979 in words is "eighty-three billion, three hundred seventy-seven million, two hundred fifty-six thousand, nine hundred seventy-nine".