14778955 has 8 divisors (see below), whose sum is σ = 17907552. Its totient is φ = 11707968.

The previous prime is 14778943. The next prime is 14778961. The reversal of 14778955 is 55987741.

It is a happy number.

14778955 is nontrivially palindromic in base 4.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14778955 - 2¹⁵ = 14746187 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13834 + ... + 14863.

It is an arithmetic number, because the mean of its divisors is an integer number (2238444).

Almost surely, 2^14778955 is an apocalyptic number.

14778955 is a deficient number, since it is larger than the sum of its proper divisors (3128597).

14778955 is a wasteful number, since it uses less digits than its factorization.

14778955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28805.

The product of its digits is 352800, while the sum is 46.

The square root of 14778955 is about 3844.3406456764. The cubic root of 14778955 is about 245.4037767760.

The spelling of 14778955 in words is "fourteen million, seven hundred seventy-eight thousand, nine hundred fifty-five".