7878275332 has 6 divisors (see below), whose sum is σ = 13786981838. Its totient is φ = 3939137664.

The previous prime is 7878275309. The next prime is 7878275351. The reversal of 7878275332 is 2335728787.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7283598336 + 594676996 = 85344^2 + 24386^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7878275332.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 984784413 + ... + 984784420.

Almost surely, 2^7878275332 is an apocalyptic number.

It is an amenable number.

7878275332 is a deficient number, since it is larger than the sum of its proper divisors (5908706506).

7878275332 is a wasteful number, since it uses less digits than its factorization.

7878275332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969568837 (or 1969568835 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 52.

The square root of 7878275332 is about 88759.6492331960. The cubic root of 7878275332 is about 1989.8043907627.

The spelling of 7878275332 in words is "seven billion, eight hundred seventy-eight million, two hundred seventy-five thousand, three hundred thirty-two".