100873887 has 4 divisors (see below), whose sum is σ = 134498520. Its totient is φ = 67249256.

The previous prime is 100873853. The next prime is 100873897. The reversal of 100873887 is 788378001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100873887 - 2⁶ = 100873823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100873897) 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, 16812312 + ... + 16812317.

It is an arithmetic number, because the mean of its divisors is an integer number (33624630).

Almost surely, 2^100873887 is an apocalyptic number.

100873887 is a deficient number, since it is larger than the sum of its proper divisors (33624633).

100873887 is an equidigital number, since it uses as much as digits as its factorization.

100873887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33624632.

The product of its (nonzero) digits is 75264, while the sum is 42.

The square root of 100873887 is about 10043.5993050300. The cubic root of 100873887 is about 465.5070385505.

The spelling of 100873887 in words is "one hundred million, eight hundred seventy-three thousand, eight hundred eighty-seven".