7157887706 has 32 divisors (see below), whose sum is σ = 11769209280. Its totient is φ = 3249836800.

The previous prime is 7157887699. The next prime is 7157887717. The reversal of 7157887706 is 6077887517.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2375741 + ... + 2378751.

It is an arithmetic number, because the mean of its divisors is an integer number (367787790).

Almost surely, 2^7157887706 is an apocalyptic number.

7157887706 is a deficient number, since it is larger than the sum of its proper divisors (4611321574).

7157887706 is a wasteful number, since it uses less digits than its factorization.

7157887706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5470.

The product of its (nonzero) digits is 4609920, while the sum is 56.

The square root of 7157887706 is about 84604.3007535669. The cubic root of 7157887706 is about 1927.2066857019.

The spelling of 7157887706 in words is "seven billion, one hundred fifty-seven million, eight hundred eighty-seven thousand, seven hundred six".