83771401 has 8 divisors (see below), whose sum is σ = 99040320. Its totient is φ = 69327888.

The previous prime is 83771383. The next prime is 83771417. The reversal of 83771401 is 10417738.

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

It is not a de Polignac number, because 83771401 - 2¹⁷ = 83640329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83771101) 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, 206131 + ... + 206536.

It is an arithmetic number, because the mean of its divisors is an integer number (12380040).

Almost surely, 2^83771401 is an apocalyptic number.

It is an amenable number.

83771401 is a deficient number, since it is larger than the sum of its proper divisors (15268919).

83771401 is a wasteful number, since it uses less digits than its factorization.

83771401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412703.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 83771401 is about 9152.6717957108. The cubic root of 83771401 is about 437.5542698392.

The spelling of 83771401 in words is "eighty-three million, seven hundred seventy-one thousand, four hundred one".