83438026430277 has 128 divisors (see below), whose sum is σ = 122997695643648. Its totient is φ = 50101477171200.

The previous prime is 83438026430273. The next prime is 83438026430321. The reversal of 83438026430277 is 77203462083438.

It is a happy number.

It is not a de Polignac number, because 83438026430277 - 2² = 83438026430273 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83438026430273) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 30552187002 + ... + 30552189732.

It is an arithmetic number, because the mean of its divisors is an integer number (960919497216).

Almost surely, 2^{83438026430277} is an apocalyptic number.

It is an amenable number.

83438026430277 is a deficient number, since it is larger than the sum of its proper divisors (39559669213371).

83438026430277 is a wasteful number, since it uses less digits than its factorization.

83438026430277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4019.

The product of its (nonzero) digits is 32514048, while the sum is 57.

The spelling of 83438026430277 in words is "eighty-three trillion, four hundred thirty-eight billion, twenty-six million, four hundred thirty thousand, two hundred seventy-seven".