78675653 has 8 divisors (see below), whose sum is σ = 92345472. Its totient is φ = 65613456.

The previous prime is 78675647. The next prime is 78675659. The reversal of 78675653 is 35657687.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (78675647) and next prime (78675659).

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 78675653 - 2⁶ = 78675589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78675598 and 78675607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78675659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151625 + ... + 152142.

It is an arithmetic number, because the mean of its divisors is an integer number (11543184).

Almost surely, 2^78675653 is an apocalyptic number.

It is an amenable number.

78675653 is a deficient number, since it is larger than the sum of its proper divisors (13669819).

78675653 is a wasteful number, since it uses less digits than its factorization.

78675653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303811.

The product of its digits is 1058400, while the sum is 47.

The square root of 78675653 is about 8869.9297065986. The cubic root of 78675653 is about 428.4960130739.

The spelling of 78675653 in words is "seventy-eight million, six hundred seventy-five thousand, six hundred fifty-three".