78896953 has 8 divisors (see below), whose sum is σ = 81547776. Its totient is φ = 76252800.

The previous prime is 78896947. The next prime is 78896957. The reversal of 78896953 is 35969887.

It is a happy number.

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 78896953 - 2¹⁷ = 78765881 is a prime.

It is a super-3 number, since 3×78896953³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78896894 and 78896903.

It is not an unprimeable number, because it can be changed into a prime (78896957) 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 7 ways as a sum of consecutive naturals, for example, 36873 + ... + 38953.

It is an arithmetic number, because the mean of its divisors is an integer number (10193472).

Almost surely, 2^78896953 is an apocalyptic number.

It is an amenable number.

78896953 is a deficient number, since it is larger than the sum of its proper divisors (2650823).

78896953 is a wasteful number, since it uses less digits than its factorization.

78896953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335.

The product of its digits is 3265920, while the sum is 55.

The square root of 78896953 is about 8882.3956790947. The cubic root of 78896953 is about 428.8973968705.

The spelling of 78896953 in words is "seventy-eight million, eight hundred ninety-six thousand, nine hundred fifty-three".