477697493520 has 800 divisors, whose sum is σ = 1974230641152. Its totient is φ = 105851142144.

The previous prime is 477697493509. The next prime is 477697493521. The reversal of 477697493520 is 25394796774.

477697493520 is a `hidden beast` number, since 4 + 7 + 7 + 6 + 97 + 493 + 52 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (477697493521) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 32930589 + ... + 32945091.

Almost surely, 2^477697493520 is an apocalyptic number.

477697493520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 477697493520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (987115320576).

477697493520 is an abundant number, since it is smaller than the sum of its proper divisors (1496533147632).

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

477697493520 is a wasteful number, since it uses less digits than its factorization.

477697493520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14581 (or 14566 counting only the distinct ones).

The product of its (nonzero) digits is 80015040, while the sum is 63.

The spelling of 477697493520 in words is "four hundred seventy-seven billion, six hundred ninety-seven million, four hundred ninety-three thousand, five hundred twenty".