18970785792 has 720 divisors, whose sum is σ = 70851821040. Its totient is φ = 4936826880.

The previous prime is 18970785749. The next prime is 18970785887. The reversal of 18970785792 is 29758707981.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 611960817 + ... + 611960847.

It is an arithmetic number, because the mean of its divisors is an integer number (98405307).

Almost surely, 2^18970785792 is an apocalyptic number.

18970785792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18970785792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35425910520).

18970785792 is an abundant number, since it is smaller than the sum of its proper divisors (51881035248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18970785792 is an equidigital number, since it uses as much as digits as its factorization.

18970785792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 17781120, while the sum is 63.

The spelling of 18970785792 in words is "eighteen billion, nine hundred seventy million, seven hundred eighty-five thousand, seven hundred ninety-two".