83374486638 has 8 divisors (see below), whose sum is σ = 166748973288. Its totient is φ = 27791495544.

The previous prime is 83374486631. The next prime is 83374486649. The reversal of 83374486638 is 83668447338.

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

83374486638 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83374486631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6947873881 + ... + 6947873892.

It is an arithmetic number, because the mean of its divisors is an integer number (20843621661).

Almost surely, 2^83374486638 is an apocalyptic number.

83374486638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83374486638 is a wasteful number, since it uses less digits than its factorization.

83374486638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13895747778.

The product of its digits is 55738368, while the sum is 60.

The spelling of 83374486638 in words is "eighty-three billion, three hundred seventy-four million, four hundred eighty-six thousand, six hundred thirty-eight".