77014438 has 4 divisors (see below), whose sum is σ = 115521660. Its totient is φ = 38507218.

The previous prime is 77014417. The next prime is 77014453. The reversal of 77014438 is 83441077.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19253608 + ... + 19253611.

It is an arithmetic number, because the mean of its divisors is an integer number (28880415).

Almost surely, 2^77014438 is an apocalyptic number.

77014438 is a deficient number, since it is larger than the sum of its proper divisors (38507222).

77014438 is a wasteful number, since it uses less digits than its factorization.

77014438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38507221.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 77014438 is about 8775.7870302327. The cubic root of 77014438 is about 425.4586752760.

The spelling of 77014438 in words is "seventy-seven million, fourteen thousand, four hundred thirty-eight".