78059849 has 16 divisors (see below), whose sum is σ = 91059072. Its totient is φ = 65536128.

The previous prime is 78059843. The next prime is 78059857. The reversal of 78059849 is 94895087.

It is not a de Polignac number, because 78059849 - 2¹² = 78055753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78059797 and 78059806.

It is not an unprimeable number, because it can be changed into a prime (78059843) 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, 87962 + ... + 88844.

It is an arithmetic number, because the mean of its divisors is an integer number (5691192).

Almost surely, 2^78059849 is an apocalyptic number.

It is an amenable number.

78059849 is a deficient number, since it is larger than the sum of its proper divisors (12999223).

78059849 is a wasteful number, since it uses less digits than its factorization.

78059849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136.

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 78059849 is about 8835.1484990350. The cubic root of 78059849 is about 427.3751198683.

The spelling of 78059849 in words is "seventy-eight million, fifty-nine thousand, eight hundred forty-nine".