42878800201677 has 64 divisors (see below), whose sum is σ = 67201048611840. Its totient is φ = 24038804160000.

The previous prime is 42878800201673. The next prime is 42878800201691. The reversal of 42878800201677 is 77610200887824.

It is not a de Polignac number, because 42878800201677 - 2² = 42878800201673 is a prime.

It is a super-2 number, since 2×42878800201677² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42878800201677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42878800201673) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 80644983 + ... + 81174939.

It is an arithmetic number, because the mean of its divisors is an integer number (1050016384560).

Almost surely, 2^{42878800201677} is an apocalyptic number.

It is an amenable number.

42878800201677 is a deficient number, since it is larger than the sum of its proper divisors (24322248410163).

42878800201677 is a wasteful number, since it uses less digits than its factorization.

42878800201677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533034.

The product of its (nonzero) digits is 16859136, while the sum is 60.

The spelling of 42878800201677 in words is "forty-two trillion, eight hundred seventy-eight billion, eight hundred million, two hundred one thousand, six hundred seventy-seven".