10787978806 has 16 divisors (see below), whose sum is σ = 17654915520. Its totient is φ = 4903110280.

The previous prime is 10787978767. The next prime is 10787978809. The reversal of 10787978806 is 60887978701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10787978809) 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, 256305 + ... + 295411.

It is an arithmetic number, because the mean of its divisors is an integer number (1103432220).

Almost surely, 2^10787978806 is an apocalyptic number.

10787978806 is a deficient number, since it is larger than the sum of its proper divisors (6866936714).

10787978806 is a wasteful number, since it uses less digits than its factorization.

10787978806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51659.

The product of its (nonzero) digits is 9483264, while the sum is 61.

The spelling of 10787978806 in words is "ten billion, seven hundred eighty-seven million, nine hundred seventy-eight thousand, eight hundred six".