8177678437042 has 16 divisors (see below), whose sum is σ = 12311424316800. Its totient is φ = 4073897475232.

The previous prime is 8177678437021. The next prime is 8177678437043. The reversal of 8177678437042 is 2407348767718.

It is not an unprimeable number, because it can be changed into a prime (8177678437043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6182803 + ... + 7387990.

It is an arithmetic number, because the mean of its divisors is an integer number (769464019800).

Almost surely, 2^{8177678437042} is an apocalyptic number.

8177678437042 is a deficient number, since it is larger than the sum of its proper divisors (4133745879758).

8177678437042 is a wasteful number, since it uses less digits than its factorization.

8177678437042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13571897.

The product of its (nonzero) digits is 88510464, while the sum is 64.

The spelling of 8177678437042 in words is "eight trillion, one hundred seventy-seven billion, six hundred seventy-eight million, four hundred thirty-seven thousand, forty-two".