11882370447 has 24 divisors (see below), whose sum is σ = 17307650880. Its totient is φ = 7855142400.

The previous prime is 11882370407. The next prime is 11882370449. The reversal of 11882370447 is 74407328811.

11882370447 is a `hidden beast` number, since 1 + 188 + 23 + 7 + 0 + 447 = 666.

It is not a de Polignac number, because 11882370447 - 2⁷ = 11882370319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11882370449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1239322 + ... + 1248872.

It is an arithmetic number, because the mean of its divisors is an integer number (721152120).

Almost surely, 2^11882370447 is an apocalyptic number.

11882370447 is a deficient number, since it is larger than the sum of its proper divisors (5425280433).

11882370447 is a wasteful number, since it uses less digits than its factorization.

11882370447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10703 (or 10700 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The spelling of 11882370447 in words is "eleven billion, eight hundred eighty-two million, three hundred seventy thousand, four hundred forty-seven".