427977502 has 4 divisors (see below), whose sum is σ = 641966256. Its totient is φ = 213988750.

The previous prime is 427977493. The next prime is 427977503. The reversal of 427977502 is 205779724.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427977503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106994374 + ... + 106994377.

It is an arithmetic number, because the mean of its divisors is an integer number (160491564).

Almost surely, 2^427977502 is an apocalyptic number.

427977502 is a deficient number, since it is larger than the sum of its proper divisors (213988754).

427977502 is a wasteful number, since it uses less digits than its factorization.

427977502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213988753.

The product of its (nonzero) digits is 246960, while the sum is 43.

The square root of 427977502 is about 20687.6171174933. The cubic root of 427977502 is about 753.5989994604.

The spelling of 427977502 in words is "four hundred twenty-seven million, nine hundred seventy-seven thousand, five hundred two".