427508897870 has 16 divisors (see below), whose sum is σ = 771229868400. Its totient is φ = 170622703104.

The previous prime is 427508897867. The next prime is 427508897897. The reversal of 427508897870 is 78798805724.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 427508897797 and 427508897806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47602292 + ... + 47611271.

It is an arithmetic number, because the mean of its divisors is an integer number (48201866775).

Almost surely, 2^427508897870 is an apocalyptic number.

427508897870 is a deficient number, since it is larger than the sum of its proper divisors (343720970530).

427508897870 is a wasteful number, since it uses less digits than its factorization.

427508897870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95214019.

The product of its (nonzero) digits is 63221760, while the sum is 65.

The spelling of 427508897870 in words is "four hundred twenty-seven billion, five hundred eight million, eight hundred ninety-seven thousand, eight hundred seventy".