6925402879 has 8 divisors (see below), whose sum is σ = 7227348192. Its totient is φ = 6623527680.

The previous prime is 6925402873. The next prime is 6925402907. The reversal of 6925402879 is 9782045296.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6925402879 is a prime.

It is a super-2 number, since 2×6925402879² = 95922410072922977282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6925402873) 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 in 7 ways as a sum of consecutive naturals, for example, 337827 + ... + 357739.

It is an arithmetic number, because the mean of its divisors is an integer number (903418524).

Almost surely, 2^6925402879 is an apocalyptic number.

6925402879 is a deficient number, since it is larger than the sum of its proper divisors (301945313).

6925402879 is a wasteful number, since it uses less digits than its factorization.

6925402879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35057.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The square root of 6925402879 is about 83219.0055155672. The cubic root of 6925402879 is about 1906.1117025975. Note that the first 3 decimals are identical.

The spelling of 6925402879 in words is "six billion, nine hundred twenty-five million, four hundred two thousand, eight hundred seventy-nine".