87228695771 has 8 divisors (see below), whose sum is σ = 99709920000. Its totient is φ = 74752467048.

The previous prime is 87228695761. The next prime is 87228695773. The reversal of 87228695771 is 17759682278.

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

It is not a de Polignac number, because 87228695771 - 2⁶ = 87228695707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87228695773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1211381 + ... + 1281366.

It is an arithmetic number, because the mean of its divisors is an integer number (12463740000).

Almost surely, 2^87228695771 is an apocalyptic number.

87228695771 is a deficient number, since it is larger than the sum of its proper divisors (12481224229).

87228695771 is a wasteful number, since it uses less digits than its factorization.

87228695771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497753.

The product of its digits is 23708160, while the sum is 62.

The spelling of 87228695771 in words is "eighty-seven billion, two hundred twenty-eight million, six hundred ninety-five thousand, seven hundred seventy-one".