427078730877 has 16 divisors (see below), whose sum is σ = 570111843840. Its totient is φ = 284382489600.

The previous prime is 427078730861. The next prime is 427078730891. The reversal of 427078730877 is 778037870724.

It is not a de Polignac number, because 427078730877 - 2⁴ = 427078730861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 427078730877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427078730977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26870949 + ... + 26886837.

It is an arithmetic number, because the mean of its divisors is an integer number (35631990240).

Almost surely, 2^427078730877 is an apocalyptic number.

It is an amenable number.

427078730877 is a deficient number, since it is larger than the sum of its proper divisors (143033112963).

427078730877 is a wasteful number, since it uses less digits than its factorization.

427078730877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25924.

The product of its (nonzero) digits is 25815552, while the sum is 60.

The spelling of 427078730877 in words is "four hundred twenty-seven billion, seventy-eight million, seven hundred thirty thousand, eight hundred seventy-seven".