87305801 has 4 divisors (see below), whose sum is σ = 95242704. Its totient is φ = 79368900.

The previous prime is 87305797. The next prime is 87305807. The reversal of 87305801 is 10850378.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 87305801 - 2² = 87305797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87305807) 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, 3968435 + ... + 3968456.

It is an arithmetic number, because the mean of its divisors is an integer number (23810676).

Almost surely, 2^87305801 is an apocalyptic number.

It is an amenable number.

87305801 is a deficient number, since it is larger than the sum of its proper divisors (7936903).

87305801 is a wasteful number, since it uses less digits than its factorization.

87305801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7936902.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 87305801 is about 9343.7573277563. The cubic root of 87305801 is about 443.6233193637.

The spelling of 87305801 in words is "eighty-seven million, three hundred five thousand, eight hundred one".