83698087 has 8 divisors (see below), whose sum is σ = 91622160. Its totient is φ = 75826560.

The previous prime is 83698063. The next prime is 83698091. The reversal of 83698087 is 78089638.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 83698087 - 2¹⁹ = 83173799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83698087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83698057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9762 + ... + 16207.

It is an arithmetic number, because the mean of its divisors is an integer number (11452770).

Almost surely, 2^83698087 is an apocalyptic number.

83698087 is a deficient number, since it is larger than the sum of its proper divisors (7924073).

83698087 is a wasteful number, since it uses less digits than its factorization.

83698087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26273.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 83698087 is about 9148.6658590201. The cubic root of 83698087 is about 437.4265881721.

The spelling of 83698087 in words is "eighty-three million, six hundred ninety-eight thousand, eighty-seven".