7666270878 has 32 divisors (see below), whose sum is σ = 17527124736. Its totient is φ = 2189835648.

The previous prime is 7666270873. The next prime is 7666270883. The reversal of 7666270878 is 8780726667.

It is an interprime number because it is at equal distance from previous prime (7666270873) and next prime (7666270883).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7666270873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175350 + ... + 214662.

It is an arithmetic number, because the mean of its divisors is an integer number (547722648).

Almost surely, 2^7666270878 is an apocalyptic number.

7666270878 is an abundant number, since it is smaller than the sum of its proper divisors (9860853858).

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

7666270878 is a wasteful number, since it uses less digits than its factorization.

7666270878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43968.

The product of its (nonzero) digits is 9483264, while the sum is 57.

The square root of 7666270878 is about 87557.2434353663. The cubic root of 7666270878 is about 1971.7933010465.

The spelling of 7666270878 in words is "seven billion, six hundred sixty-six million, two hundred seventy thousand, eight hundred seventy-eight".