87631191151 has 8 divisors (see below), whose sum is σ = 100156219520. Its totient is φ = 75107734488.

The previous prime is 87631191149. The next prime is 87631191157. The reversal of 87631191151 is 15119113678.

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

It is a cyclic number.

It is not a de Polignac number, because 87631191151 - 2¹ = 87631191149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87631191098 and 87631191107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87631191157) 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, 270921 + ... + 498658.

It is an arithmetic number, because the mean of its divisors is an integer number (12519527440).

Almost surely, 2^87631191151 is an apocalyptic number.

87631191151 is a deficient number, since it is larger than the sum of its proper divisors (12525028369).

87631191151 is a wasteful number, since it uses less digits than its factorization.

87631191151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785853.

The product of its digits is 45360, while the sum is 43.

The spelling of 87631191151 in words is "eighty-seven billion, six hundred thirty-one million, one hundred ninety-one thousand, one hundred fifty-one".