777423420 has 60 divisors (see below), whose sum is σ = 2438811144. Its totient is φ = 207312480.

The previous prime is 777423419. The next prime is 777423457. The reversal of 777423420 is 24324777.

777423420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 238326 + ... + 241565.

Almost surely, 2^777423420 is an apocalyptic number.

It is an amenable number.

777423420 is an abundant number, since it is smaller than the sum of its proper divisors (1661387724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

777423420 is a wasteful number, since it uses less digits than its factorization.

777423420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479912 (or 479901 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 36.

The square root of 777423420 is about 27882.3137490417. The cubic root of 777423420 is about 919.5017071627.

The spelling of 777423420 in words is "seven hundred seventy-seven million, four hundred twenty-three thousand, four hundred twenty".