78506104 has 8 divisors (see below), whose sum is σ = 147198960. Its totient is φ = 39253048.

The previous prime is 78506101. The next prime is 78506117. The reversal of 78506104 is 40160587.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78506101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4906624 + ... + 4906639.

It is an arithmetic number, because the mean of its divisors is an integer number (18399870).

Almost surely, 2^78506104 is an apocalyptic number.

It is an amenable number.

78506104 is a deficient number, since it is larger than the sum of its proper divisors (68692856).

78506104 is a wasteful number, since it uses less digits than its factorization.

78506104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9813269 (or 9813265 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 78506104 is about 8860.3670352870. The cubic root of 78506104 is about 428.1879833386.

The spelling of 78506104 in words is "seventy-eight million, five hundred six thousand, one hundred four".