77400214 has 8 divisors (see below), whose sum is σ = 116268048. Its totient is φ = 38644200.

The previous prime is 77400199. The next prime is 77400223. The reversal of 77400214 is 41200477.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 26202 + ... + 29005.

It is an arithmetic number, because the mean of its divisors is an integer number (14533506).

Almost surely, 2^77400214 is an apocalyptic number.

77400214 is a deficient number, since it is larger than the sum of its proper divisors (38867834).

77400214 is a wasteful number, since it uses less digits than its factorization.

77400214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55910.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 77400214 is about 8797.7391413931. The cubic root of 77400214 is about 426.1678862473.

The spelling of 77400214 in words is "seventy-seven million, four hundred thousand, two hundred fourteen".