87623801 has 4 divisors (see below), whose sum is σ = 92235600. Its totient is φ = 83012004.

The previous prime is 87623773. The next prime is 87623803. The reversal of 87623801 is 10832678.

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 a de Polignac number, because none of the positive numbers 2^k-87623801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87623803) 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, 2305871 + ... + 2305908.

It is an arithmetic number, because the mean of its divisors is an integer number (23058900).

Almost surely, 2^87623801 is an apocalyptic number.

It is an amenable number.

87623801 is a deficient number, since it is larger than the sum of its proper divisors (4611799).

87623801 is a wasteful number, since it uses less digits than its factorization.

87623801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4611798.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 87623801 is about 9360.7585696887. The cubic root of 87623801 is about 444.1612801125.

The spelling of 87623801 in words is "eighty-seven million, six hundred twenty-three thousand, eight hundred one".