78084054 has 16 divisors (see below), whose sum is σ = 173520240. Its totient is φ = 26028000.

The previous prime is 78084029. The next prime is 78084059. The reversal of 78084054 is 45048087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78084059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722947 + ... + 723054.

It is an arithmetic number, because the mean of its divisors is an integer number (10845015).

Almost surely, 2^78084054 is an apocalyptic number.

78084054 is an abundant number, since it is smaller than the sum of its proper divisors (95436186).

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

78084054 is a wasteful number, since it uses less digits than its factorization.

78084054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446012 (or 1446006 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 78084054 is about 8836.5182057188. The cubic root of 78084054 is about 427.4192891643.

The spelling of 78084054 in words is "seventy-eight million, eighty-four thousand, fifty-four".