78883761 has 8 divisors (see below), whose sum is σ = 114740064. Its totient is φ = 47808320.

The previous prime is 78883733. The next prime is 78883771. The reversal of 78883761 is 16738887.

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

It is a cyclic number.

It is not a de Polignac number, because 78883761 - 2⁶ = 78883697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 78883761.

It is not an unprimeable number, because it can be changed into a prime (78883771) 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, 1195176 + ... + 1195241.

It is an arithmetic number, because the mean of its divisors is an integer number (14342508).

Almost surely, 2^78883761 is an apocalyptic number.

It is an amenable number.

78883761 is a deficient number, since it is larger than the sum of its proper divisors (35856303).

78883761 is a wasteful number, since it uses less digits than its factorization.

78883761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390431.

The product of its digits is 451584, while the sum is 48.

The square root of 78883761 is about 8881.6530555973. The cubic root of 78883761 is about 428.8734908782.

The spelling of 78883761 in words is "seventy-eight million, eight hundred eighty-three thousand, seven hundred sixty-one".