427760357772 has 24 divisors (see below), whose sum is σ = 1088844547392. Its totient is φ = 129624350800.

The previous prime is 427760357749. The next prime is 427760357777. The reversal of 427760357772 is 277753067724.

It is not an unprimeable number, because it can be changed into a prime (427760357777) 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, 1620304254 + ... + 1620304517.

It is an arithmetic number, because the mean of its divisors is an integer number (45368522808).

Almost surely, 2^427760357772 is an apocalyptic number.

It is an amenable number.

427760357772 is an abundant number, since it is smaller than the sum of its proper divisors (661084189620).

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

427760357772 is a wasteful number, since it uses less digits than its factorization.

427760357772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240608789 (or 3240608787 counting only the distinct ones).

The product of its (nonzero) digits is 24202080, while the sum is 57.

The spelling of 427760357772 in words is "four hundred twenty-seven billion, seven hundred sixty million, three hundred fifty-seven thousand, seven hundred seventy-two".