477213755 has 4 divisors (see below), whose sum is σ = 572656512. Its totient is φ = 381771000.

The previous prime is 477213727. The next prime is 477213761. The reversal of 477213755 is 557312774.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 557312774 = 2 ⋅278656387.

It is not a de Polignac number, because 477213755 - 2¹⁰ = 477212731 is a prime.

It is a super-2 number, since 2×477213755² = 455465935922400050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47721371 + ... + 47721380.

It is an arithmetic number, because the mean of its divisors is an integer number (143164128).

Almost surely, 2^477213755 is an apocalyptic number.

477213755 is a deficient number, since it is larger than the sum of its proper divisors (95442757).

477213755 is an equidigital number, since it uses as much as digits as its factorization.

477213755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95442756.

The product of its digits is 205800, while the sum is 41.

The square root of 477213755 is about 21845.2227042894. Note that the first 3 decimals coincide. The cubic root of 477213755 is about 781.4556179425.

The spelling of 477213755 in words is "four hundred seventy-seven million, two hundred thirteen thousand, seven hundred fifty-five".