83842370477 has 8 divisors (see below), whose sum is σ = 84425071200. Its totient is φ = 83259936720.

The previous prime is 83842370471. The next prime is 83842370489. The reversal of 83842370477 is 77407324838.

It is a happy number.

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 83842370477 - 2¹⁸ = 83842108333 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 (83842370471) 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, 585602 + ... + 714572.

It is an arithmetic number, because the mean of its divisors is an integer number (10553133900).

Almost surely, 2^83842370477 is an apocalyptic number.

It is an amenable number.

83842370477 is a deficient number, since it is larger than the sum of its proper divisors (582700723).

83842370477 is a wasteful number, since it uses less digits than its factorization.

83842370477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133483.

The product of its (nonzero) digits is 6322176, while the sum is 53.

The spelling of 83842370477 in words is "eighty-three billion, eight hundred forty-two million, three hundred seventy thousand, four hundred seventy-seven".