83091495 has 16 divisors (see below), whose sum is σ = 140767200. Its totient is φ = 41708544.

The previous prime is 83091493. The next prime is 83091497. The reversal of 83091495 is 59419038.

It is an interprime number because it is at equal distance from previous prime (83091493) and next prime (83091497).

It is not a de Polignac number, because 83091495 - 2¹ = 83091493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83091493) 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, 162670 + ... + 163179.

It is an arithmetic number, because the mean of its divisors is an integer number (8797950).

Almost surely, 2^83091495 is an apocalyptic number.

83091495 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

83091495 is a deficient number, since it is larger than the sum of its proper divisors (57675705).

83091495 is a wasteful number, since it uses less digits than its factorization.

83091495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325874.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 83091495 is about 9115.4536365449. The cubic root of 83091495 is about 436.3672924844.

The spelling of 83091495 in words is "eighty-three million, ninety-one thousand, four hundred ninety-five".