78650873 has 8 divisors (see below), whose sum is σ = 89980800. Its totient is φ = 67344480.

The previous prime is 78650867. The next prime is 78650879. The reversal of 78650873 is 37805687.

It is an interprime number because it is at equal distance from previous prime (78650867) and next prime (78650879).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78650873 - 2⁶ = 78650809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78650879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1988 + ... + 12698.

It is an arithmetic number, because the mean of its divisors is an integer number (11247600).

Almost surely, 2^78650873 is an apocalyptic number.

It is an amenable number.

78650873 is a deficient number, since it is larger than the sum of its proper divisors (11329927).

78650873 is a wasteful number, since it uses less digits than its factorization.

78650873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11767.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 78650873 is about 8868.5327422297. The cubic root of 78650873 is about 428.4510214076.

The spelling of 78650873 in words is "seventy-eight million, six hundred fifty thousand, eight hundred seventy-three".