6925364778 has 16 divisors (see below), whose sum is σ = 14328341280. Its totient is φ = 2228852976.

The previous prime is 6925364759. The next prime is 6925364819. The reversal of 6925364778 is 8774635296.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19900300 + ... + 19900647.

It is an arithmetic number, because the mean of its divisors is an integer number (895521330).

Almost surely, 2^6925364778 is an apocalyptic number.

6925364778 is an abundant number, since it is smaller than the sum of its proper divisors (7402976502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6925364778 is a wasteful number, since it uses less digits than its factorization.

6925364778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39800981.

The product of its digits is 15240960, while the sum is 57.

The square root of 6925364778 is about 83218.7765951891. The cubic root of 6925364778 is about 1906.1082070177.

The spelling of 6925364778 in words is "six billion, nine hundred twenty-five million, three hundred sixty-four thousand, seven hundred seventy-eight".