10887822820 has 24 divisors (see below), whose sum is σ = 26130775104. Its totient is φ = 3732967776.

The previous prime is 10887822811. The next prime is 10887822863. The reversal of 10887822820 is 2822878801.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38884942 + ... + 38885221.

It is an arithmetic number, because the mean of its divisors is an integer number (1088782296).

Almost surely, 2^10887822820 is an apocalyptic number.

10887822820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10887822820 is an abundant number, since it is smaller than the sum of its proper divisors (15242952284).

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

10887822820 is a wasteful number, since it uses less digits than its factorization.

10887822820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77770179 (or 77770177 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 46.

The spelling of 10887822820 in words is "ten billion, eight hundred eighty-seven million, eight hundred twenty-two thousand, eight hundred twenty".