10787978042 has 16 divisors (see below), whose sum is σ = 17047764960. Its totient is φ = 5105860272.

The previous prime is 10787978041. The next prime is 10787978051. The reversal of 10787978042 is 24087978701.

It is not an unprimeable number, because it can be changed into a prime (10787978041) 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, 70928 + ... + 163115.

It is an arithmetic number, because the mean of its divisors is an integer number (1065485310).

Almost surely, 2^10787978042 is an apocalyptic number.

10787978042 is a deficient number, since it is larger than the sum of its proper divisors (6259786918).

10787978042 is a wasteful number, since it uses less digits than its factorization.

10787978042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235277.

The product of its (nonzero) digits is 1580544, while the sum is 53.

The spelling of 10787978042 in words is "ten billion, seven hundred eighty-seven million, nine hundred seventy-eight thousand, forty-two".