427737977701 has 4 divisors (see below), whose sum is σ = 427779503872. Its totient is φ = 427696451532.

The previous prime is 427737977683. The next prime is 427737977743. The reversal of 427737977701 is 107779737724.

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 427737977701 - 2⁵ = 427737977669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 427737977701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427737977761) 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, 20747631 + ... + 20768236.

It is an arithmetic number, because the mean of its divisors is an integer number (106944875968).

Almost surely, 2^427737977701 is an apocalyptic number.

It is an amenable number.

427737977701 is a deficient number, since it is larger than the sum of its proper divisors (41526171).

427737977701 is a wasteful number, since it uses less digits than its factorization.

427737977701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41526170.

The product of its (nonzero) digits is 25412184, while the sum is 61.

The spelling of 427737977701 in words is "four hundred twenty-seven billion, seven hundred thirty-seven million, nine hundred seventy-seven thousand, seven hundred one".