87997006 has 8 divisors (see below), whose sum is σ = 135065304. Its totient is φ = 42975240.

The previous prime is 87997001. The next prime is 87997009. The reversal of 87997006 is 60079978.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87997001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511525 + ... + 511696.

It is an arithmetic number, because the mean of its divisors is an integer number (16883163).

Almost surely, 2^87997006 is an apocalyptic number.

87997006 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

87997006 is a deficient number, since it is larger than the sum of its proper divisors (47068298).

87997006 is a wasteful number, since it uses less digits than its factorization.

87997006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023266.

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 87997006 is about 9380.6719375533. The cubic root of 87997006 is about 444.7909736654.

The spelling of 87997006 in words is "eighty-seven million, nine hundred ninety-seven thousand, six".