71101887 has 8 divisors (see below), whose sum is σ = 94897920. Its totient is φ = 47353560.

The previous prime is 71101861. The next prime is 71101897. The reversal of 71101887 is 78810117.

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

It is not a de Polignac number, because 71101887 - 2⁷ = 71101759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71101897) 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, 8289 + ... + 14522.

It is an arithmetic number, because the mean of its divisors is an integer number (11862240).

Almost surely, 2^71101887 is an apocalyptic number.

71101887 is a deficient number, since it is larger than the sum of its proper divisors (23796033).

71101887 is a wasteful number, since it uses less digits than its factorization.

71101887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23853.

The product of its (nonzero) digits is 3136, while the sum is 33.

The square root of 71101887 is about 8432.1934868692. The cubic root of 71101887 is about 414.2797532747.

The spelling of 71101887 in words is "seventy-one million, one hundred one thousand, eight hundred eighty-seven".