87700671 has 32 divisors (see below), whose sum is σ = 138559680. Its totient is φ = 54632448.

The previous prime is 87700651. The next prime is 87700703. The reversal of 87700671 is 17600778.

It is not a de Polignac number, because 87700671 - 2⁹ = 87700159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87700621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71455 + ... + 72671.

It is an arithmetic number, because the mean of its divisors is an integer number (4329990).

Almost surely, 2^87700671 is an apocalyptic number.

87700671 is a deficient number, since it is larger than the sum of its proper divisors (50859009).

87700671 is a wasteful number, since it uses less digits than its factorization.

87700671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400 (or 1394 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 36.

The square root of 87700671 is about 9364.8636402246. The cubic root of 87700671 is about 444.2911257250.

The spelling of 87700671 in words is "eighty-seven million, seven hundred thousand, six hundred seventy-one".