427553124705 has 64 divisors (see below), whose sum is σ = 868824000000. Its totient is φ = 195420314880.

The previous prime is 427553124641. The next prime is 427553124727. The reversal of 427553124705 is 507421355724.

427553124705 is a `hidden beast` number, since 4 + 2 + 7 + 553 + 1 + 24 + 70 + 5 = 666.

It is not a de Polignac number, because 427553124705 - 2⁶ = 427553124641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6184671 + ... + 6253419.

It is an arithmetic number, because the mean of its divisors is an integer number (13575375000).

Almost surely, 2^427553124705 is an apocalyptic number.

427553124705 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

427553124705 is an abundant number, since it is smaller than the sum of its proper divisors (441270875295).

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

427553124705 is a wasteful number, since it uses less digits than its factorization.

427553124705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75351 (or 75345 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 45.

The spelling of 427553124705 in words is "four hundred twenty-seven billion, five hundred fifty-three million, one hundred twenty-four thousand, seven hundred five".