7887434416 has 20 divisors (see below), whose sum is σ = 15284236032. Its totient is φ = 3943115456.

The previous prime is 7887434407. The next prime is 7887434437. The reversal of 7887434416 is 6144347887.

It is a happy number.

It is a super-2 number, since 2×7887434416² (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 3 ways as a sum of consecutive naturals, for example, 82065 + ... + 150031.

Almost surely, 2^7887434416 is an apocalyptic number.

It is an amenable number.

7887434416 is a deficient number, since it is larger than the sum of its proper divisors (7396801616).

7887434416 is a wasteful number, since it uses less digits than its factorization.

7887434416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75228 (or 75222 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 52.

The square root of 7887434416 is about 88811.2291098372. The cubic root of 7887434416 is about 1990.5751909184.

The spelling of 7887434416 in words is "seven billion, eight hundred eighty-seven million, four hundred thirty-four thousand, four hundred sixteen".