10887978429 has 12 divisors (see below), whose sum is σ = 15916563936. Its totient is φ = 7171198152.

The previous prime is 10887978427. The next prime is 10887978449. The reversal of 10887978429 is 92487978801.

It is not a de Polignac number, because 10887978429 - 2¹ = 10887978427 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10887978421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7287057 + ... + 7288550.

It is an arithmetic number, because the mean of its divisors is an integer number (1326380328).

Almost surely, 2^10887978429 is an apocalyptic number.

It is an amenable number.

10887978429 is a deficient number, since it is larger than the sum of its proper divisors (5028585507).

10887978429 is a wasteful number, since it uses less digits than its factorization.

10887978429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14575696 (or 14575693 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 63.

The spelling of 10887978429 in words is "ten billion, eight hundred eighty-seven million, nine hundred seventy-eight thousand, four hundred twenty-nine".