8155367842 has 16 divisors (see below), whose sum is σ = 12680524800. Its totient is φ = 3929627520.

The previous prime is 8155367833. The next prime is 8155367881. The reversal of 8155367842 is 2487635518.

It is a happy number.

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, 260367 + ... + 290002.

It is an arithmetic number, because the mean of its divisors is an integer number (792532800).

Almost surely, 2^8155367842 is an apocalyptic number.

8155367842 is a deficient number, since it is larger than the sum of its proper divisors (4525156958).

8155367842 is a wasteful number, since it uses less digits than its factorization.

8155367842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550641.

The product of its digits is 1612800, while the sum is 49.

The square root of 8155367842 is about 90307.0752599153. The cubic root of 8155367842 is about 2012.8643964056.

The spelling of 8155367842 in words is "eight billion, one hundred fifty-five million, three hundred sixty-seven thousand, eight hundred forty-two".