87755281406 has 16 divisors (see below), whose sum is σ = 141764492688. Its totient is φ = 40500734400.

The previous prime is 87755281403. The next prime is 87755281417. The reversal of 87755281406 is 60418255778.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87755281403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 729626 + ... + 841346.

It is an arithmetic number, because the mean of its divisors is an integer number (8860280793).

Almost surely, 2^87755281406 is an apocalyptic number.

87755281406 is a deficient number, since it is larger than the sum of its proper divisors (54009211282).

87755281406 is a wasteful number, since it uses less digits than its factorization.

87755281406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141947.

The product of its (nonzero) digits is 3763200, while the sum is 53.

The spelling of 87755281406 in words is "eighty-seven billion, seven hundred fifty-five million, two hundred eighty-one thousand, four hundred six".