78896653 has 4 divisors (see below), whose sum is σ = 86069088. Its totient is φ = 71724220.

The previous prime is 78896621. The next prime is 78896717. The reversal of 78896653 is 35669887.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 78896653 - 2⁵ = 78896621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78896653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78890653) 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, 3586201 + ... + 3586222.

It is an arithmetic number, because the mean of its divisors is an integer number (21517272).

Almost surely, 2^78896653 is an apocalyptic number.

It is an amenable number.

78896653 is a deficient number, since it is larger than the sum of its proper divisors (7172435).

78896653 is a wasteful number, since it uses less digits than its factorization.

78896653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7172434.

The product of its digits is 2177280, while the sum is 52.

The square root of 78896653 is about 8882.3787917427. The cubic root of 78896653 is about 428.8968532526.

The spelling of 78896653 in words is "seventy-eight million, eight hundred ninety-six thousand, six hundred fifty-three".