83750189390 has 32 divisors (see below), whose sum is σ = 172468168704. Its totient is φ = 28684006560.

The previous prime is 83750189351. The next prime is 83750189399. The reversal of 83750189390 is 9398105738.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83750189399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 565406 + ... + 697985.

It is an arithmetic number, because the mean of its divisors is an integer number (5389630272).

Almost surely, 2^83750189390 is an apocalyptic number.

83750189390 is an abundant number, since it is smaller than the sum of its proper divisors (88717979314).

83750189390 is a wasteful number, since it uses less digits than its factorization.

83750189390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264352.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 83750189390 in words is "eighty-three billion, seven hundred fifty million, one hundred eighty-nine thousand, three hundred ninety".