78892443 has 24 divisors (see below), whose sum is σ = 130572000. Its totient is φ = 44964864.

The previous prime is 78892439. The next prime is 78892447. The reversal of 78892443 is 34429887.

It is an interprime number because it is at equal distance from previous prime (78892439) and next prime (78892447).

It is not a de Polignac number, because 78892443 - 2² = 78892439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78892447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26893 + ... + 29681.

It is an arithmetic number, because the mean of its divisors is an integer number (5440500).

Almost surely, 2^78892443 is an apocalyptic number.

78892443 is a deficient number, since it is larger than the sum of its proper divisors (51679557).

78892443 is a wasteful number, since it uses less digits than its factorization.

78892443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3251 (or 3248 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 78892443 is about 8882.1418025159. The cubic root of 78892443 is about 428.8892243364.

The spelling of 78892443 in words is "seventy-eight million, eight hundred ninety-two thousand, four hundred forty-three".