78892485 has 16 divisors (see below), whose sum is σ = 144260736. Its totient is φ = 36065088.

The previous prime is 78892447. The next prime is 78892501. The reversal of 78892485 is 58429887.

It is a happy number.

It is not a de Polignac number, because 78892485 - 2⁶ = 78892421 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375574 + ... + 375783.

It is an arithmetic number, because the mean of its divisors is an integer number (9016296).

Almost surely, 2^78892485 is an apocalyptic number.

It is an amenable number.

78892485 is a deficient number, since it is larger than the sum of its proper divisors (65368251).

78892485 is a wasteful number, since it uses less digits than its factorization.

78892485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751372.

The product of its digits is 1290240, while the sum is 51.

The square root of 78892485 is about 8882.1441668102. The cubic root of 78892485 is about 428.8893004457.

The spelling of 78892485 in words is "seventy-eight million, eight hundred ninety-two thousand, four hundred eighty-five".