78896051 has 16 divisors (see below), whose sum is σ = 86822400. Its totient is φ = 71251488.

The previous prime is 78896047. The next prime is 78896057. The reversal of 78896051 is 15069887.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 78896051 - 2² = 78896047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78895993 and 78896011.

It is not an unprimeable number, because it can be changed into a prime (78896057) 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 15 ways as a sum of consecutive naturals, for example, 207980 + ... + 208358.

It is an arithmetic number, because the mean of its divisors is an integer number (5426400).

Almost surely, 2^78896051 is an apocalyptic number.

78896051 is a deficient number, since it is larger than the sum of its proper divisors (7926349).

78896051 is a wasteful number, since it uses less digits than its factorization.

78896051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 78896051 is about 8882.3449043594. The cubic root of 78896051 is about 428.8957623886.

The spelling of 78896051 in words is "seventy-eight million, eight hundred ninety-six thousand, fifty-one".