78950269 has 8 divisors (see below), whose sum is σ = 79624160. Its totient is φ = 78279696.

The previous prime is 78950257. The next prime is 78950323. The reversal of 78950269 is 96205987.

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 78950269 - 2⁹ = 78949757 is a prime.

It is a super-2 number, since 2×78950269² = 12466289950344722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78950219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69742 + ... + 70864.

It is an arithmetic number, because the mean of its divisors is an integer number (9953020).

Almost surely, 2^78950269 is an apocalyptic number.

It is an amenable number.

78950269 is a deficient number, since it is larger than the sum of its proper divisors (673891).

78950269 is a wasteful number, since it uses less digits than its factorization.

78950269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 78950269 is about 8885.3963895822. The cubic root of 78950269 is about 428.9939867628.

The spelling of 78950269 in words is "seventy-eight million, nine hundred fifty thousand, two hundred sixty-nine".