8378011516 has 48 divisors (see below), whose sum is σ = 17554819072. Its totient is φ = 3422865600.

The previous prime is 8378011507. The next prime is 8378011531. The reversal of 8378011516 is 6151108738.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13875 + ... + 130186.

Almost surely, 2^8378011516 is an apocalyptic number.

It is an amenable number.

8378011516 is an abundant number, since it is smaller than the sum of its proper divisors (9176807556).

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

8378011516 is a wasteful number, since it uses less digits than its factorization.

8378011516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144170 (or 144168 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 8378011516 is about 91531.4782793330. The cubic root of 8378011516 is about 2031.0174323384.

The spelling of 8378011516 in words is "eight billion, three hundred seventy-eight million, eleven thousand, five hundred sixteen".