83996487 has 8 divisors (see below), whose sum is σ = 124439280. Its totient is φ = 55997640.

The previous prime is 83996461. The next prime is 83996503. The reversal of 83996487 is 78469938.

It is not a de Polignac number, because 83996487 - 2¹⁰ = 83995463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83996417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1555464 + ... + 1555517.

It is an arithmetic number, because the mean of its divisors is an integer number (15554910).

Almost surely, 2^83996487 is an apocalyptic number.

83996487 is a deficient number, since it is larger than the sum of its proper divisors (40442793).

83996487 is a wasteful number, since it uses less digits than its factorization.

83996487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3110990 (or 3110984 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 83996487 is about 9164.9597380458. The cubic root of 83996487 is about 437.9458086454.

The spelling of 83996487 in words is "eighty-three million, nine hundred ninety-six thousand, four hundred eighty-seven".