972678199 has 2 divisors, whose sum is σ = 972678200. Its totient is φ = 972678198.

The previous prime is 972678197. The next prime is 972678251. The reversal of 972678199 is 991876279.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 972678199 - 2¹ = 972678197 is a prime.

It is a super-2 number, since 2×972678199² = 1892205757619767202, which contains 22 as substring.

Together with 972678197, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (972678193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486339099 + 486339100.

It is an arithmetic number, because the mean of its divisors is an integer number (486339100).

Almost surely, 2^972678199 is an apocalyptic number.

972678199 is a deficient number, since it is larger than the sum of its proper divisors (1).

972678199 is an equidigital number, since it uses as much as digits as its factorization.

972678199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3429216, while the sum is 58.

The square root of 972678199 is about 31187.7892611836. The cubic root of 972678199 is about 990.8085083240.

The spelling of 972678199 in words is "nine hundred seventy-two million, six hundred seventy-eight thousand, one hundred ninety-nine".