78487366 has 16 divisors (see below), whose sum is σ = 126952560. Its totient is φ = 36270720.

The previous prime is 78487349. The next prime is 78487379. The reversal of 78487366 is 66378487.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23631 + ... + 26746.

It is an arithmetic number, because the mean of its divisors is an integer number (7934535).

Almost surely, 2^78487366 is an apocalyptic number.

78487366 is a deficient number, since it is larger than the sum of its proper divisors (48465194).

78487366 is a wasteful number, since it uses less digits than its factorization.

78487366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50439.

The product of its digits is 1354752, while the sum is 49.

The square root of 78487366 is about 8859.3095667778. The cubic root of 78487366 is about 428.1539136954.

The spelling of 78487366 in words is "seventy-eight million, four hundred eighty-seven thousand, three hundred sixty-six".