13435540887 has 16 divisors (see below), whose sum is σ = 18348260480. Its totient is φ = 8742377952.

The previous prime is 13435540883. The next prime is 13435540891. The reversal of 13435540887 is 78804553431.

It is an interprime number because it is at equal distance from previous prime (13435540883) and next prime (13435540891).

It is not a de Polignac number, because 13435540887 - 2² = 13435540883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13435540883) 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, 284713 + ... + 328530.

It is an arithmetic number, because the mean of its divisors is an integer number (1146766280).

Almost surely, 2^13435540887 is an apocalyptic number.

13435540887 is a deficient number, since it is larger than the sum of its proper divisors (4912719593).

13435540887 is a wasteful number, since it uses less digits than its factorization.

13435540887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613422.

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 13435540887 in words is "thirteen billion, four hundred thirty-five million, five hundred forty thousand, eight hundred eighty-seven".