78101004 has 24 divisors (see below), whose sum is σ = 182692720. Its totient is φ = 25968384.

The previous prime is 78101003. The next prime is 78101027. The reversal of 78101004 is 40010187.

It is not an unprimeable number, because it can be changed into a prime (78101003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3049 + ... + 12864.

Almost surely, 2^78101004 is an apocalyptic number.

It is an amenable number.

78101004 is an abundant number, since it is smaller than the sum of its proper divisors (104591716).

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

78101004 is a wasteful number, since it uses less digits than its factorization.

78101004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16329 (or 16327 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 78101004 is about 8837.4772418377. The cubic root of 78101004 is about 427.4502140990.

The spelling of 78101004 in words is "seventy-eight million, one hundred one thousand, four".