78552254 has 16 divisors (see below), whose sum is σ = 130967280. Its totient is φ = 35031360.

The previous prime is 78552247. The next prime is 78552259. The reversal of 78552254 is 45225587.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78552259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32519 + ... + 34850.

It is an arithmetic number, because the mean of its divisors is an integer number (8185455).

Almost surely, 2^78552254 is an apocalyptic number.

78552254 is a deficient number, since it is larger than the sum of its proper divisors (52415026).

78552254 is a wasteful number, since it uses less digits than its factorization.

78552254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67435.

The product of its digits is 112000, while the sum is 38.

The square root of 78552254 is about 8862.9709465844. The cubic root of 78552254 is about 428.2718706779.

The spelling of 78552254 in words is "seventy-eight million, five hundred fifty-two thousand, two hundred fifty-four".