77922403 has 8 divisors (see below), whose sum is σ = 84026768. Its totient is φ = 71833824.

The previous prime is 77922389. The next prime is 77922431. The reversal of 77922403 is 30422977.

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

It is a cyclic number.

It is not a de Polignac number, because 77922403 - 2¹³ = 77914211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77922473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7576 + ... + 14602.

It is an arithmetic number, because the mean of its divisors is an integer number (10503346).

Almost surely, 2^77922403 is an apocalyptic number.

77922403 is a deficient number, since it is larger than the sum of its proper divisors (6104365).

77922403 is a wasteful number, since it uses less digits than its factorization.

77922403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7893.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 77922403 is about 8827.3667081412. The cubic root of 77922403 is about 427.1241350498.

The spelling of 77922403 in words is "seventy-seven million, nine hundred twenty-two thousand, four hundred three".