87701771 has 8 divisors (see below), whose sum is σ = 91876800. Its totient is φ = 83603520.

The previous prime is 87701753. The next prime is 87701813. The reversal of 87701771 is 17710778.

It is a happy number.

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

It is not a de Polignac number, because 87701771 - 2⁶ = 87701707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87701741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16850 + ... + 21431.

It is an arithmetic number, because the mean of its divisors is an integer number (11484600).

Almost surely, 2^87701771 is an apocalyptic number.

87701771 is a deficient number, since it is larger than the sum of its proper divisors (4175029).

87701771 is a wasteful number, since it uses less digits than its factorization.

87701771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38389.

The product of its (nonzero) digits is 19208, while the sum is 38.

The square root of 87701771 is about 9364.9223702068. The cubic root of 87701771 is about 444.2929832485.

The spelling of 87701771 in words is "eighty-seven million, seven hundred one thousand, seven hundred seventy-one".