477258777420 has 24 divisors (see below), whose sum is σ = 1336324576944. Its totient is φ = 127269007296.

The previous prime is 477258777403. The next prime is 477258777469. The reversal of 477258777420 is 24777852774.

It is a Harshad number since it is a multiple of its sum of digits (60), and also a Moran number because the ratio is a prime number: 7954312957 = 477258777420 / (4 + 7 + 7 + 2 + 5 + 8 + 7 + 7 + 7 + 4 + 2 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3977156419 + ... + 3977156538.

It is an arithmetic number, because the mean of its divisors is an integer number (55680190706).

Almost surely, 2^477258777420 is an apocalyptic number.

It is an amenable number.

477258777420 is an abundant number, since it is smaller than the sum of its proper divisors (859065799524).

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

477258777420 is a wasteful number, since it uses less digits than its factorization.

477258777420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7954312969 (or 7954312967 counting only the distinct ones).

The product of its (nonzero) digits is 43025920, while the sum is 60.

The spelling of 477258777420 in words is "four hundred seventy-seven billion, two hundred fifty-eight million, seven hundred seventy-seven thousand, four hundred twenty".