87270671 has 4 divisors (see below), whose sum is σ = 91065072. Its totient is φ = 83476272.

The previous prime is 87270661. The next prime is 87270709. The reversal of 87270671 is 17607278.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87270671 - 2¹⁸ = 87008527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87270661) 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, 1897166 + ... + 1897211.

It is an arithmetic number, because the mean of its divisors is an integer number (22766268).

Almost surely, 2^87270671 is an apocalyptic number.

87270671 is a deficient number, since it is larger than the sum of its proper divisors (3794401).

87270671 is a wasteful number, since it uses less digits than its factorization.

87270671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3794400.

The product of its (nonzero) digits is 32928, while the sum is 38.

The square root of 87270671 is about 9341.8772738674. The cubic root of 87270671 is about 443.5638098474.

The spelling of 87270671 in words is "eighty-seven million, two hundred seventy thousand, six hundred seventy-one".