6978153 has 16 divisors (see below), whose sum is σ = 11451776. Its totient is φ = 3680640.

The previous prime is 6978133. The next prime is 6978161. The reversal of 6978153 is 3518796.

It is not a de Polignac number, because 6978153 - 2⁸ = 6977897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a d-powerful number, because it can be written as 6³ + 9⁷ + 7 + 8⁷ + 1 + 5⁷ + 3⁹ .

It is not an unprimeable number, because it can be changed into a prime (6978113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12508 + ... + 13053.

It is an arithmetic number, because the mean of its divisors is an integer number (715736).

Almost surely, 2^6978153 is an apocalyptic number.

It is an amenable number.

6978153 is a deficient number, since it is larger than the sum of its proper divisors (4473623).

6978153 is a wasteful number, since it uses less digits than its factorization.

6978153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25584.

The product of its digits is 45360, while the sum is 39.

The square root of 6978153 is about 2641.6193896926. The cubic root of 6978153 is about 191.0939022748.

The spelling of 6978153 in words is "six million, nine hundred seventy-eight thousand, one hundred fifty-three".