423077773885 has 16 divisors (see below), whose sum is σ = 546761139120. Its totient is φ = 312418391040.

The previous prime is 423077773847. The next prime is 423077773927. The reversal of 423077773885 is 588377770324.

It can be written as a sum of positive squares in 8 ways, for example, as 40289321284 + 382788452601 = 200722^2 + 618699^2 .

It is not a de Polignac number, because 423077773885 - 2²¹ = 423075676733 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3574555 + ... + 3691015.

It is an arithmetic number, because the mean of its divisors is an integer number (34172571195).

Almost surely, 2^423077773885 is an apocalyptic number.

It is an amenable number.

423077773885 is a deficient number, since it is larger than the sum of its proper divisors (123683365235).

423077773885 is a wasteful number, since it uses less digits than its factorization.

423077773885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172368.

The product of its (nonzero) digits is 55319040, while the sum is 61.

The spelling of 423077773885 in words is "four hundred twenty-three billion, seventy-seven million, seven hundred seventy-three thousand, eight hundred eighty-five".