18083987470 has 32 divisors (see below), whose sum is σ = 32718800448. Its totient is φ = 7196418048.

The previous prime is 18083987437. The next prime is 18083987497. The reversal of 18083987470 is 7478938081.

It is a happy number.

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, 2275624 + ... + 2283556.

It is an arithmetic number, because the mean of its divisors is an integer number (1022462514).

Almost surely, 2^18083987470 is an apocalyptic number.

18083987470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18083987470 is a deficient number, since it is larger than the sum of its proper divisors (14634812978).

18083987470 is a wasteful number, since it uses less digits than its factorization.

18083987470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9084.

The product of its (nonzero) digits is 2709504, while the sum is 55.

The spelling of 18083987470 in words is "eighteen billion, eighty-three million, nine hundred eighty-seven thousand, four hundred seventy".