6652776078 has 40 divisors (see below), whose sum is σ = 16053855048. Its totient is φ = 2047007376.

The previous prime is 6652776047. The next prime is 6652776079. The reversal of 6652776078 is 8706772566.

6652776078 is a `hidden beast` number, since 6 + 6 + 5 + 27 + 7 + 607 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6652776079) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1577376 + ... + 1581587.

Almost surely, 2^6652776078 is an apocalyptic number.

6652776078 is an abundant number, since it is smaller than the sum of its proper divisors (9401078970).

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

6652776078 is a wasteful number, since it uses less digits than its factorization.

6652776078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3158990 (or 3158981 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 54.

The square root of 6652776078 is about 81564.5516017835. The cubic root of 6652776078 is about 1880.7639944127.

The spelling of 6652776078 in words is "six billion, six hundred fifty-two million, seven hundred seventy-six thousand, seventy-eight".