77368407 has 8 divisors (see below), whose sum is σ = 103225584. Its totient is φ = 51545088.

The previous prime is 77368397. The next prime is 77368409. The reversal of 77368407 is 70486377.

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

It is not a de Polignac number, because 77368407 - 2¹⁰ = 77367383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77368409) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 2538 + ... + 12695.

It is an arithmetic number, because the mean of its divisors is an integer number (12903198).

Almost surely, 2^77368407 is an apocalyptic number.

77368407 is a deficient number, since it is larger than the sum of its proper divisors (25857177).

77368407 is a wasteful number, since it uses less digits than its factorization.

77368407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16929.

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 77368407 is about 8795.9312753113. The cubic root of 77368407 is about 426.1095014855.

The spelling of 77368407 in words is "seventy-seven million, three hundred sixty-eight thousand, four hundred seven".