978362867 has 2 divisors, whose sum is σ = 978362868. Its totient is φ = 978362866.

The previous prime is 978362837. The next prime is 978362887. The reversal of 978362867 is 768263879.

It is a happy number.

978362867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 978362867 - 2²² = 974168563 is a prime.

It is not a weakly prime, because it can be changed into another prime (978362837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489181433 + 489181434.

It is an arithmetic number, because the mean of its divisors is an integer number (489181434).

Almost surely, 2^978362867 is an apocalyptic number.

978362867 is a deficient number, since it is larger than the sum of its proper divisors (1).

978362867 is an equidigital number, since it uses as much as digits as its factorization.

978362867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 56.

The square root of 978362867 is about 31278.7926077718. The cubic root of 978362867 is about 992.7349694826.

The spelling of 978362867 in words is "nine hundred seventy-eight million, three hundred sixty-two thousand, eight hundred sixty-seven".