477670617840 has 120 divisors (see below), whose sum is σ = 1603447127280. Its totient is φ = 117580449792.

The previous prime is 477670617821. The next prime is 477670617841. The reversal of 477670617840 is 48716076774.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477670617841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5847885 + ... + 5929004.

It is an arithmetic number, because the mean of its divisors is an integer number (13362059394).

Almost surely, 2^477670617840 is an apocalyptic number.

477670617840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

477670617840 is an abundant number, since it is smaller than the sum of its proper divisors (1125776509440).

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

477670617840 is a wasteful number, since it uses less digits than its factorization.

477670617840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11776931 (or 11776912 counting only the distinct ones).

The product of its (nonzero) digits is 11063808, while the sum is 57.

The spelling of 477670617840 in words is "four hundred seventy-seven billion, six hundred seventy million, six hundred seventeen thousand, eight hundred forty".