77307400223 has 4 divisors (see below), whose sum is σ = 77310214920. Its totient is φ = 77304585528.

The previous prime is 77307400207. The next prime is 77307400271. The reversal of 77307400223 is 32200470377.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32200470377 = 47 ⋅685116391.

It is a cyclic number.

It is not a de Polignac number, because 77307400223 - 2⁴ = 77307400207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77307400283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1365740 + ... + 1421217.

It is an arithmetic number, because the mean of its divisors is an integer number (19327553730).

Almost surely, 2^77307400223 is an apocalyptic number.

77307400223 is a deficient number, since it is larger than the sum of its proper divisors (2814697).

77307400223 is a wasteful number, since it uses less digits than its factorization.

77307400223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814696.

The product of its (nonzero) digits is 49392, while the sum is 35.

The spelling of 77307400223 in words is "seventy-seven billion, three hundred seven million, four hundred thousand, two hundred twenty-three".