78773341 has 6 divisors (see below), whose sum is σ = 80743226. Its totient is φ = 76850400.

The previous prime is 78773329. The next prime is 78773369. The reversal of 78773341 is 14337787.

It can be written as a sum of positive squares in 3 ways, for example, as 4020025 + 74753316 = 2005^2 + 8646^2 .

It is not a de Polignac number, because 78773341 - 2¹³ = 78765149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78773294 and 78773303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78773381) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21750 + ... + 25111.

Almost surely, 2^78773341 is an apocalyptic number.

It is an amenable number.

78773341 is a deficient number, since it is larger than the sum of its proper divisors (1969885).

78773341 is an equidigital number, since it uses as much as digits as its factorization.

78773341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46943 (or 46902 counting only the distinct ones).

The product of its digits is 98784, while the sum is 40.

The square root of 78773341 is about 8875.4346935798. The cubic root of 78773341 is about 428.6732877626.

The spelling of 78773341 in words is "seventy-eight million, seven hundred seventy-three thousand, three hundred forty-one".