7148705886 has 48 divisors (see below), whose sum is σ = 17722015584. Its totient is φ = 2040126912.

The previous prime is 7148705807. The next prime is 7148705891. The reversal of 7148705886 is 6885078417.

It is a happy number.

It is a super-2 number, since 2×7148705886² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78156 + ... + 142848.

It is an arithmetic number, because the mean of its divisors is an integer number (369208658).

Almost surely, 2^7148705886 is an apocalyptic number.

7148705886 is an abundant number, since it is smaller than the sum of its proper divisors (10573309698).

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

7148705886 is a wasteful number, since it uses less digits than its factorization.

7148705886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65585 (or 65582 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 54.

The square root of 7148705886 is about 84550.0200236523. The cubic root of 7148705886 is about 1926.3822880934.

The spelling of 7148705886 in words is "seven billion, one hundred forty-eight million, seven hundred five thousand, eight hundred eighty-six".