90081787109375 has 30 divisors (see below), whose sum is σ = 112609863277560. Its totient is φ = 72060546875000.

The previous prime is 90081787109317. The next prime is 90081787109387. The reversal of 90081787109375 is 57390178718009.

It is a trimorphic number since its cube, 730989233370337387896142899990081787109375, ends in 90081787109375.

It is not a de Polignac number, because 90081787109375 - 2⁶ = 90081787109311 is a prime.

It is a super-2 number, since 2×90081787109375² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 6103508246 + ... + 6103523004.

It is an arithmetic number, because the mean of its divisors is an integer number (3753662109252).

Almost surely, 2^{90081787109375} is an apocalyptic number.

90081787109375 is a deficient number, since it is larger than the sum of its proper divisors (22528076168185).

90081787109375 is an frugal number, since it uses more digits than its factorization.

90081787109375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14829 (or 14764 counting only the distinct ones).

The product of its (nonzero) digits is 26671680, while the sum is 65.

The spelling of 90081787109375 in words is "ninety trillion, eighty-one billion, seven hundred eighty-seven million, one hundred nine thousand, three hundred seventy-five".