427739077 has 4 divisors (see below), whose sum is σ = 450251680. Its totient is φ = 405226476.

The previous prime is 427739063. The next prime is 427739087. The reversal of 427739077 is 770937724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 427739077 - 2¹⁵ = 427706309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427739087) 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, 11256273 + ... + 11256310.

It is an arithmetic number, because the mean of its divisors is an integer number (112562920).

Almost surely, 2^427739077 is an apocalyptic number.

It is an amenable number.

427739077 is a deficient number, since it is larger than the sum of its proper divisors (22512603).

427739077 is a wasteful number, since it uses less digits than its factorization.

427739077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22512602.

The product of its (nonzero) digits is 518616, while the sum is 46.

The square root of 427739077 is about 20681.8538095597. The cubic root of 427739077 is about 753.4590308742.

The spelling of 427739077 in words is "four hundred twenty-seven million, seven hundred thirty-nine thousand, seventy-seven".