77914338 has 32 divisors (see below), whose sum is σ = 160315200. Its totient is φ = 25234176.

The previous prime is 77914337. The next prime is 77914357. The reversal of 77914338 is 83341977.

It is a self number, because there is not a number n which added to its sum of digits gives 77914338.

It is not an unprimeable number, because it can be changed into a prime (77914337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30270 + ... + 32742.

It is an arithmetic number, because the mean of its divisors is an integer number (5009850).

Almost surely, 2^77914338 is an apocalyptic number.

77914338 is an abundant number, since it is smaller than the sum of its proper divisors (82400862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77914338 is a wasteful number, since it uses less digits than its factorization.

77914338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2626.

The product of its digits is 127008, while the sum is 42.

The square root of 77914338 is about 8826.9098783210. The cubic root of 77914338 is about 427.1093987016.

The spelling of 77914338 in words is "seventy-seven million, nine hundred fourteen thousand, three hundred thirty-eight".