95447237887 has 4 divisors (see below), whose sum is σ = 95447868520. Its totient is φ = 95446607256.

The previous prime is 95447237791. The next prime is 95447237971. The reversal of 95447237887 is 78873274459.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a 3-Lehmer number, since φ(95447237887) divides (95447237887-1)³.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-95447237887 is a prime.

It is a super-2 number, since 2×95447237887² (a number of 23 digits) contains 22 as substring.

It is a deceptive number, since it divides R_95447237886.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (95447237287) 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, 63064 + ... + 441442.

It is an arithmetic number, because the mean of its divisors is an integer number (23861967130).

Almost surely, 2^95447237887 is an apocalyptic number.

95447237887 is the 252253-rd pentagonal number.

95447237887 is a deficient number, since it is larger than the sum of its proper divisors (630633).

95447237887 is a wasteful number, since it uses less digits than its factorization.

95447237887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630632.

The product of its digits is 94832640, while the sum is 64.

The spelling of 95447237887 in words is "ninety-five billion, four hundred forty-seven million, two hundred thirty-seven thousand, eight hundred eighty-seven".