427765874 has 16 divisors (see below), whose sum is σ = 658510776. Its totient is φ = 208281600.

The previous prime is 427765873. The next prime is 427765879. The reversal of 427765874 is 478567724.

It can be written as a sum of positive squares in 4 ways, for example, as 427455625 + 310249 = 20675^2 + 557^2 .

It is not an unprimeable number, because it can be changed into a prime (427765873) 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, 42794 + ... + 51834.

Almost surely, 2^427765874 is an apocalyptic number.

427765874 is a deficient number, since it is larger than the sum of its proper divisors (230744902).

427765874 is a wasteful number, since it uses less digits than its factorization.

427765874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9661.

The product of its digits is 2634240, while the sum is 50.

The square root of 427765874 is about 20682.5016378580. The cubic root of 427765874 is about 753.4747647808.

The spelling of 427765874 in words is "four hundred twenty-seven million, seven hundred sixty-five thousand, eight hundred seventy-four".