78898283 has 4 divisors (see below), whose sum is σ = 78916368. Its totient is φ = 78880200.

The previous prime is 78898277. The next prime is 78898301. The reversal of 78898283 is 38289887.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38289887 = 73 ⋅524519.

It is a cyclic number.

It is not a de Polignac number, because 78898283 - 2²⁴ = 62121067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78898213) 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, 1985 + ... + 12717.

It is an arithmetic number, because the mean of its divisors is an integer number (19729092).

Almost surely, 2^78898283 is an apocalyptic number.

78898283 is a deficient number, since it is larger than the sum of its proper divisors (18085).

78898283 is a wasteful number, since it uses less digits than its factorization.

78898283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18084.

The product of its digits is 1548288, while the sum is 53.

The square root of 78898283 is about 8882.4705459686. The cubic root of 78898283 is about 428.8998068931.

The spelling of 78898283 in words is "seventy-eight million, eight hundred ninety-eight thousand, two hundred eighty-three".