83487087 has 12 divisors (see below), whose sum is σ = 123158880. Its totient is φ = 54473568.

The previous prime is 83487049. The next prime is 83487097. The reversal of 83487087 is 78078438.

It is not a de Polignac number, because 83487087 - 2⁶ = 83487023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83487097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98262 + ... + 99107.

It is an arithmetic number, because the mean of its divisors is an integer number (10263240).

Almost surely, 2^83487087 is an apocalyptic number.

83487087 is a deficient number, since it is larger than the sum of its proper divisors (39671793).

83487087 is a wasteful number, since it uses less digits than its factorization.

83487087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197422 (or 197419 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 83487087 is about 9137.1268460058. The cubic root of 83487087 is about 437.0586997236.

The spelling of 83487087 in words is "eighty-three million, four hundred eighty-seven thousand, eighty-seven".