477665742 has 16 divisors (see below), whose sum is σ = 955561680. Its totient is φ = 159183552.

The previous prime is 477665737. The next prime is 477665743. The reversal of 477665742 is 247566774.

It is a happy number.

It is a super-2 number, since 2×477665742² = 456329122160821128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 477665691 and 477665700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477665743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29884 + ... + 42992.

It is an arithmetic number, because the mean of its divisors is an integer number (59722605).

Almost surely, 2^477665742 is an apocalyptic number.

477665742 is an abundant number, since it is smaller than the sum of its proper divisors (477895938).

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

477665742 is a wasteful number, since it uses less digits than its factorization.

477665742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19187.

The product of its digits is 1975680, while the sum is 48.

The square root of 477665742 is about 21855.5654696922. The cubic root of 477665742 is about 781.7022553757.

The spelling of 477665742 in words is "four hundred seventy-seven million, six hundred sixty-five thousand, seven hundred forty-two".