83787493 has 8 divisors (see below), whose sum is σ = 85370400. Its totient is φ = 82210128.

The previous prime is 83787481. The next prime is 83787547. The reversal of 83787493 is 39478738.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83787493 - 2¹³ = 83779301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83787433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40830 + ... + 42832.

It is an arithmetic number, because the mean of its divisors is an integer number (10671300).

Almost surely, 2^83787493 is an apocalyptic number.

It is an amenable number.

83787493 is a deficient number, since it is larger than the sum of its proper divisors (1582907).

83787493 is a wasteful number, since it uses less digits than its factorization.

83787493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771.

The product of its digits is 1016064, while the sum is 49.

The square root of 83787493 is about 9153.5508410671. The cubic root of 83787493 is about 437.5822852575.

The spelling of 83787493 in words is "eighty-three million, seven hundred eighty-seven thousand, four hundred ninety-three".