978082201 has 4 divisors (see below), whose sum is σ = 978162304. Its totient is φ = 978002100.

The previous prime is 978082141. The next prime is 978082207. The reversal of 978082201 is 102280879.

978082201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 102280879 = 827 ⋅123677.

It is a cyclic number.

It is not a de Polignac number, because 978082201 - 2¹¹ = 978080153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (978082207) 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, 17505 + ... + 47566.

It is an arithmetic number, because the mean of its divisors is an integer number (244540576).

Almost surely, 2^978082201 is an apocalyptic number.

It is an amenable number.

978082201 is a deficient number, since it is larger than the sum of its proper divisors (80103).

978082201 is a wasteful number, since it uses less digits than its factorization.

978082201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80102.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 978082201 is about 31274.3057636776. The cubic root of 978082201 is about 992.6400307470.

The spelling of 978082201 in words is "nine hundred seventy-eight million, eighty-two thousand, two hundred one".