9013778862 has 32 divisors (see below), whose sum is σ = 20823277824. Its totient is φ = 2570774400.

The previous prime is 9013778857. The next prime is 9013778897. The reversal of 9013778862 is 2688773109.

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 4015714 + ... + 4017957.

It is an arithmetic number, because the mean of its divisors is an integer number (650727432).

Almost surely, 2^9013778862 is an apocalyptic number.

9013778862 is an abundant number, since it is smaller than the sum of its proper divisors (11809498962).

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

9013778862 is a wasteful number, since it uses less digits than its factorization.

9013778862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8033704.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 9013778862 is about 94940.9230100487. The cubic root of 9013778862 is about 2081.1448072653.

The spelling of 9013778862 in words is "nine billion, thirteen million, seven hundred seventy-eight thousand, eight hundred sixty-two".