78054355 has 16 divisors (see below), whose sum is σ = 95135040. Its totient is φ = 61471872.

The previous prime is 78054329. The next prime is 78054359. The reversal of 78054355 is 55345087.

It is a cyclic number.

It is not a de Polignac number, because 78054355 - 2⁵ = 78054323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78054359) 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 15 ways as a sum of consecutive naturals, for example, 107002 + ... + 107728.

It is an arithmetic number, because the mean of its divisors is an integer number (5945940).

Almost surely, 2^78054355 is an apocalyptic number.

78054355 is a deficient number, since it is larger than the sum of its proper divisors (17080685).

78054355 is a wasteful number, since it uses less digits than its factorization.

78054355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 78054355 is about 8834.8375763225. The cubic root of 78054355 is about 427.3650931430.

The spelling of 78054355 in words is "seventy-eight million, fifty-four thousand, three hundred fifty-five".