78645095 has 4 divisors (see below), whose sum is σ = 94374120. Its totient is φ = 62916072.

The previous prime is 78645037. The next prime is 78645097. The reversal of 78645095 is 59054687.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78645095 - 2¹² = 78640999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78645097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7864505 + ... + 7864514.

It is an arithmetic number, because the mean of its divisors is an integer number (23593530).

Almost surely, 2^78645095 is an apocalyptic number.

78645095 is a deficient number, since it is larger than the sum of its proper divisors (15729025).

78645095 is a wasteful number, since it uses less digits than its factorization.

78645095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15729024.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 78645095 is about 8868.2069777379. The cubic root of 78645095 is about 428.4405292561.

The spelling of 78645095 in words is "seventy-eight million, six hundred forty-five thousand, ninety-five".