7911448770 has 16 divisors (see below), whose sum is σ = 18987477120. Its totient is φ = 2109719664.

The previous prime is 7911448757. The next prime is 7911448771. The reversal of 7911448770 is 778441197.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (7911448771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131857450 + ... + 131857509.

It is an arithmetic number, because the mean of its divisors is an integer number (1186717320).

Almost surely, 2^7911448770 is an apocalyptic number.

7911448770 is an abundant number, since it is smaller than the sum of its proper divisors (11076028350).

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

7911448770 is a wasteful number, since it uses less digits than its factorization.

7911448770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263714969.

The product of its (nonzero) digits is 395136, while the sum is 48.

The square root of 7911448770 is about 88946.3252192017. The cubic root of 7911448770 is about 1992.5933353527.

The spelling of 7911448770 in words is "seven billion, nine hundred eleven million, four hundred forty-eight thousand, seven hundred seventy".