100300042768978 has 128 divisors (see below), whose sum is σ = 167231433600000. Its totient is φ = 44835571630080.

The previous prime is 100300042768967. The next prime is 100300042768979. The reversal of 100300042768978 is 879867240003001.

It is a super-3 number, since 3×100300042768978³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (100300042768979) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15999365628 + ... + 15999371896.

It is an arithmetic number, because the mean of its divisors is an integer number (1306495575000).

Almost surely, 2^{100300042768978} is an apocalyptic number.

100300042768978 is a deficient number, since it is larger than the sum of its proper divisors (66931390831022).

100300042768978 is a wasteful number, since it uses less digits than its factorization.

100300042768978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7100.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 100300042768978 in words is "one hundred trillion, three hundred billion, forty-two million, seven hundred sixty-eight thousand, nine hundred seventy-eight".