78630435 has 48 divisors (see below), whose sum is σ = 147629664. Its totient is φ = 38486016.

The previous prime is 78630407. The next prime is 78630437. The reversal of 78630435 is 53403687.

It is a happy number.

It is not a de Polignac number, because 78630435 - 2¹¹ = 78628387 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 78630435.

It is not an unprimeable number, because it can be changed into a prime (78630437) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 150084 + ... + 150606.

It is an arithmetic number, because the mean of its divisors is an integer number (3075618).

Almost surely, 2^78630435 is an apocalyptic number.

78630435 is a deficient number, since it is larger than the sum of its proper divisors (68999229).

78630435 is a wasteful number, since it uses less digits than its factorization.

78630435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804 (or 801 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 78630435 is about 8867.3803910738. The cubic root of 78630435 is about 428.4139061570.

The spelling of 78630435 in words is "seventy-eight million, six hundred thirty thousand, four hundred thirty-five".