52778000007 has 40 divisors (see below), whose sum is σ = 82042414080. Its totient is φ = 33784445520.

The previous prime is 52778000003. The next prime is 52778000047. The reversal of 52778000007 is 70000087725.

It is not a de Polignac number, because 52778000007 - 2² = 52778000003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52778000003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 77082 + ... + 333912.

It is an arithmetic number, because the mean of its divisors is an integer number (2051060352).

Almost surely, 2^52778000007 is an apocalyptic number.

52778000007 is a deficient number, since it is larger than the sum of its proper divisors (29264414073).

52778000007 is a wasteful number, since it uses less digits than its factorization.

52778000007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256945 (or 256936 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 36.

The spelling of 52778000007 in words is "fifty-two billion, seven hundred seventy-eight million, seven", and thus it is an aban number.