78481337 has 16 divisors (see below), whose sum is σ = 88948800. Its totient is φ = 68591040.

The previous prime is 78481309. The next prime is 78481363. The reversal of 78481337 is 73318487.

It is a cyclic number.

It is not a de Polignac number, because 78481337 - 2¹⁶ = 78415801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78481294 and 78481303.

It is not an unprimeable number, because it can be changed into a prime (78481237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110339 + ... + 111047.

It is an arithmetic number, because the mean of its divisors is an integer number (5559300).

Almost surely, 2^78481337 is an apocalyptic number.

It is an amenable number.

78481337 is a deficient number, since it is larger than the sum of its proper divisors (10467463).

78481337 is a wasteful number, since it uses less digits than its factorization.

78481337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096.

The product of its digits is 112896, while the sum is 41.

The square root of 78481337 is about 8858.9692967072. The cubic root of 78481337 is about 428.1429505465.

The spelling of 78481337 in words is "seventy-eight million, four hundred eighty-one thousand, three hundred thirty-seven".