80987001 has 8 divisors (see below), whose sum is σ = 109284000. Its totient is φ = 53340672.

The previous prime is 80986993. The next prime is 80987029. The reversal of 80987001 is 10078908.

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

It is not a de Polignac number, because 80987001 - 2³ = 80986993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80986001) 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, 162376 + ... + 162873.

It is an arithmetic number, because the mean of its divisors is an integer number (13660500).

Almost surely, 2^80987001 is an apocalyptic number.

It is an amenable number.

80987001 is a deficient number, since it is larger than the sum of its proper divisors (28296999).

80987001 is a wasteful number, since it uses less digits than its factorization.

80987001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325335.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 80987001 is about 8999.2778043574. The cubic root of 80987001 is about 432.6517244192.

The spelling of 80987001 in words is "eighty million, nine hundred eighty-seven thousand, one".