78630795 has 24 divisors (see below), whose sum is σ = 136500000. Its totient is φ = 41872896.

The previous prime is 78630793. The next prime is 78630821. The reversal of 78630795 is 59703687.

It is a happy number.

78630795 is a `hidden beast` number, since 7 + 8 + 630 + 7 + 9 + 5 = 666.

It is not a de Polignac number, because 78630795 - 2¹ = 78630793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 78630795.

It is not an unprimeable number, because it can be changed into a prime (78630791) 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 23 ways as a sum of consecutive naturals, for example, 55506 + ... + 56904.

It is an arithmetic number, because the mean of its divisors is an integer number (5687500).

Almost surely, 2^78630795 is an apocalyptic number.

78630795 is a deficient number, since it is larger than the sum of its proper divisors (57869205).

78630795 is a wasteful number, since it uses less digits than its factorization.

78630795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659 (or 2656 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 78630795 is about 8867.4006901685. The cubic root of 78630795 is about 428.4145599699.

The spelling of 78630795 in words is "seventy-eight million, six hundred thirty thousand, seven hundred ninety-five".