77703923 has 16 divisors (see below), whose sum is σ = 90261216. Its totient is φ = 66109440.

The previous prime is 77703911. The next prime is 77703929. The reversal of 77703923 is 32930777.

It is a cyclic number.

It is not a de Polignac number, because 77703923 - 2⁸ = 77703667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77703929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35015 + ... + 37167.

It is an arithmetic number, because the mean of its divisors is an integer number (5641326).

Almost surely, 2^77703923 is an apocalyptic number.

77703923 is a deficient number, since it is larger than the sum of its proper divisors (12557293).

77703923 is a wasteful number, since it uses less digits than its factorization.

77703923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374.

The product of its (nonzero) digits is 55566, while the sum is 38.

The square root of 77703923 is about 8814.9828700911. The cubic root of 77703923 is about 426.7245690325.

The spelling of 77703923 in words is "seventy-seven million, seven hundred three thousand, nine hundred twenty-three".