78462953 has 8 divisors (see below), whose sum is σ = 81542400. Its totient is φ = 75417840.

The previous prime is 78462947. The next prime is 78463001. The reversal of 78462953 is 35926487.

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

It is not a de Polignac number, because 78462953 - 2⁸ = 78462697 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (78467953) 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, 3875 + ... + 13112.

It is an arithmetic number, because the mean of its divisors is an integer number (10192800).

Almost surely, 2^78462953 is an apocalyptic number.

It is an amenable number.

78462953 is a deficient number, since it is larger than the sum of its proper divisors (3079447).

78462953 is a wasteful number, since it uses less digits than its factorization.

78462953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17167.

The product of its digits is 362880, while the sum is 44.

The square root of 78462953 is about 8857.9316434481. The cubic root of 78462953 is about 428.1095175675.

The spelling of 78462953 in words is "seventy-eight million, four hundred sixty-two thousand, nine hundred fifty-three".