127835786814438 has 32 divisors (see below), whose sum is σ = 261731611676160. Its totient is φ = 41606229661920.

The previous prime is 127835786814433. The next prime is 127835786814457. The reversal of 127835786814438 is 834418687538721.

It is a self number, because there is not a number n which added to its sum of digits gives 127835786814438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127835786814433) 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, 538264168 + ... + 538501611.

It is an arithmetic number, because the mean of its divisors is an integer number (8179112864880).

Almost surely, 2^{127835786814438} is an apocalyptic number.

127835786814438 is an abundant number, since it is smaller than the sum of its proper divisors (133895824861722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127835786814438 is a wasteful number, since it uses less digits than its factorization.

127835786814438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076766252.

The product of its digits is 1734082560, while the sum is 75.

The spelling of 127835786814438 in words is "one hundred twenty-seven trillion, eight hundred thirty-five billion, seven hundred eighty-six million, eight hundred fourteen thousand, four hundred thirty-eight".