427645562986 has 8 divisors (see below), whose sum is σ = 641514432384. Its totient is φ = 213807418860.

The previous prime is 427645562977. The next prime is 427645562987. The reversal of 427645562986 is 689265546724.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×427645562986² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (427645562987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7646490 + ... + 7702213.

It is an arithmetic number, because the mean of its divisors is an integer number (80189304048).

Almost surely, 2^427645562986 is an apocalyptic number.

427645562986 is a deficient number, since it is larger than the sum of its proper divisors (213868869398).

427645562986 is a wasteful number, since it uses less digits than its factorization.

427645562986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15362636.

The product of its digits is 174182400, while the sum is 64.

The spelling of 427645562986 in words is "four hundred twenty-seven billion, six hundred forty-five million, five hundred sixty-two thousand, nine hundred eighty-six".