77034478 has 8 divisors (see below), whose sum is σ = 116220168. Its totient is φ = 38294424.

The previous prime is 77034443. The next prime is 77034479. The reversal of 77034478 is 87443077.

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

It is a self number, because there is not a number n which added to its sum of digits gives 77034478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77034479) 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 3 ways as a sum of consecutive naturals, for example, 110976 + ... + 111667.

It is an arithmetic number, because the mean of its divisors is an integer number (14527521).

Almost surely, 2^77034478 is an apocalyptic number.

77034478 is a deficient number, since it is larger than the sum of its proper divisors (39185690).

77034478 is a wasteful number, since it uses less digits than its factorization.

77034478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222818.

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 77034478 is about 8776.9287339023. The cubic root of 77034478 is about 425.4955750775.

The spelling of 77034478 in words is "seventy-seven million, thirty-four thousand, four hundred seventy-eight".