83980901 has 8 divisors (see below), whose sum is σ = 89008920. Its totient is φ = 78962688.

The previous prime is 83980877. The next prime is 83980913. The reversal of 83980901 is 10908938.

It can be written as a sum of positive squares in 4 ways, for example, as 240100 + 83740801 = 490^2 + 9151^2 .

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

It is not a de Polignac number, because 83980901 - 2⁶ = 83980837 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 (83980921) 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, 22565 + ... + 26021.

It is an arithmetic number, because the mean of its divisors is an integer number (11126115).

Almost surely, 2^83980901 is an apocalyptic number.

It is an amenable number.

83980901 is a deficient number, since it is larger than the sum of its proper divisors (5028019).

83980901 is a wasteful number, since it uses less digits than its factorization.

83980901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4903.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 83980901 is about 9164.1093948075. The cubic root of 83980901 is about 437.9187192363.

The spelling of 83980901 in words is "eighty-three million, nine hundred eighty thousand, nine hundred one".