78025337 has 8 divisors (see below), whose sum is σ = 86077320. Its totient is φ = 70266240.

The previous prime is 78025331. The next prime is 78025351. The reversal of 78025337 is 73352087.

It can be written as a sum of positive squares in 4 ways, for example, as 215296 + 77810041 = 464^2 + 8821^2 .

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 78025337 - 2¹⁸ = 77763193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78025297 and 78025306.

It is not an unprimeable number, because it can be changed into a prime (78025331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72662 + ... + 73727.

It is an arithmetic number, because the mean of its divisors is an integer number (10759665).

Almost surely, 2^78025337 is an apocalyptic number.

It is an amenable number.

78025337 is a deficient number, since it is larger than the sum of its proper divisors (8051983).

78025337 is a wasteful number, since it uses less digits than its factorization.

78025337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146443.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 78025337 is about 8833.1951750202. The cubic root of 78025337 is about 427.3121265601.

The spelling of 78025337 in words is "seventy-eight million, twenty-five thousand, three hundred thirty-seven".