83938477 has 8 divisors (see below), whose sum is σ = 100100736. Its totient is φ = 68818992.

The previous prime is 83938457. The next prime is 83938489. The reversal of 83938477 is 77483938.

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 83938477 - 2¹⁵ = 83905709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83938477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83938417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260518 + ... + 260839.

It is an arithmetic number, because the mean of its divisors is an integer number (12512592).

Almost surely, 2^83938477 is an apocalyptic number.

It is an amenable number.

83938477 is a deficient number, since it is larger than the sum of its proper divisors (16162259).

83938477 is a wasteful number, since it uses less digits than its factorization.

83938477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521387.

The product of its digits is 1016064, while the sum is 49.

The square root of 83938477 is about 9161.7944203087. The cubic root of 83938477 is about 437.8449667809.

The spelling of 83938477 in words is "eighty-three million, nine hundred thirty-eight thousand, four hundred seventy-seven".