9449878312 has 32 divisors (see below), whose sum is σ = 20477275200. Its totient is φ = 4004440704.

The previous prime is 9449878309. The next prime is 9449878381. The reversal of 9449878312 is 2138789449.

It is a super-2 number, since 2×9449878312² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943038 + ... + 953005.

It is an arithmetic number, because the mean of its divisors is an integer number (639914850).

Almost surely, 2^9449878312 is an apocalyptic number.

It is an amenable number.

9449878312 is an abundant number, since it is smaller than the sum of its proper divisors (11027396888).

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

9449878312 is a wasteful number, since it uses less digits than its factorization.

9449878312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896145 (or 1896141 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 55.

The square root of 9449878312 is about 97210.4845785680. The cubic root of 9449878312 is about 2114.1805447478.

The spelling of 9449878312 in words is "nine billion, four hundred forty-nine million, eight hundred seventy-eight thousand, three hundred twelve".