10287899787 has 16 divisors (see below), whose sum is σ = 15174984960. Its totient is φ = 6147271200.

The previous prime is 10287899777. The next prime is 10287899789. The reversal of 10287899787 is 78799878201.

It is not a de Polignac number, because 10287899787 - 2¹⁰ = 10287898763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10287899789) 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, 2193112 + ... + 2197797.

It is an arithmetic number, because the mean of its divisors is an integer number (948436560).

Almost surely, 2^10287899787 is an apocalyptic number.

10287899787 is a deficient number, since it is larger than the sum of its proper divisors (4887085173).

10287899787 is a wasteful number, since it uses less digits than its factorization.

10287899787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4390994.

The product of its (nonzero) digits is 28449792, while the sum is 66.

The spelling of 10287899787 in words is "ten billion, two hundred eighty-seven million, eight hundred ninety-nine thousand, seven hundred eighty-seven".