23436778486 has 32 divisors (see below), whose sum is σ = 38771187840. Its totient is φ = 10536926400.

The previous prime is 23436778433. The next prime is 23436778499. The reversal of 23436778486 is 68487763432.

It is a self number, because there is not a number n which added to its sum of digits gives 23436778486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 871530 + ... + 898018.

It is an arithmetic number, because the mean of its divisors is an integer number (1211599620).

Almost surely, 2^23436778486 is an apocalyptic number.

23436778486 is a deficient number, since it is larger than the sum of its proper divisors (15334409354).

23436778486 is a wasteful number, since it uses less digits than its factorization.

23436778486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26940.

The product of its digits is 32514048, while the sum is 58.

The spelling of 23436778486 in words is "twenty-three billion, four hundred thirty-six million, seven hundred seventy-eight thousand, four hundred eighty-six".