6929778700894 has 16 divisors (see below), whose sum is σ = 12046939232256. Its totient is φ = 2928075507000.

The previous prime is 6929778700891. The next prime is 6929778700979. The reversal of 6929778700894 is 4980078779296.

It is a self number, because there is not a number n which added to its sum of digits gives 6929778700894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6929778700891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3485803182 + ... + 3485805169.

It is an arithmetic number, because the mean of its divisors is an integer number (752933702016).

Almost surely, 2^{6929778700894} is an apocalyptic number.

6929778700894 is a deficient number, since it is larger than the sum of its proper divisors (5117160531362).

6929778700894 is a wasteful number, since it uses less digits than its factorization.

6929778700894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6971608431.

The product of its (nonzero) digits is 768144384, while the sum is 76.

The spelling of 6929778700894 in words is "six trillion, nine hundred twenty-nine billion, seven hundred seventy-eight million, seven hundred thousand, eight hundred ninety-four".