78970227 has 8 divisors (see below), whose sum is σ = 120335616. Its totient is φ = 45125832.

The previous prime is 78970211. The next prime is 78970249. The reversal of 78970227 is 72207987.

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

It is not a de Polignac number, because 78970227 - 2⁴ = 78970211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78970027) 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, 1880223 + ... + 1880264.

It is an arithmetic number, because the mean of its divisors is an integer number (15041952).

Almost surely, 2^78970227 is an apocalyptic number.

78970227 is a deficient number, since it is larger than the sum of its proper divisors (41365389).

78970227 is a wasteful number, since it uses less digits than its factorization.

78970227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3760497.

The product of its (nonzero) digits is 98784, while the sum is 42.

The square root of 78970227 is about 8886.5193973794. The cubic root of 78970227 is about 429.0301324731.

It can be divided in two parts, 78970 and 227, that added together give a palindrome (79197).

The spelling of 78970227 in words is "seventy-eight million, nine hundred seventy thousand, two hundred twenty-seven".