87049311 has 16 divisors (see below), whose sum is σ = 119232000. Its totient is φ = 56464448.

The previous prime is 87049309. The next prime is 87049327. The reversal of 87049311 is 11394078.

It is a cyclic number.

It is not a de Polignac number, because 87049311 - 2¹ = 87049309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87049331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23515 + ... + 26963.

It is an arithmetic number, because the mean of its divisors is an integer number (7452000).

Almost surely, 2^87049311 is an apocalyptic number.

87049311 is a deficient number, since it is larger than the sum of its proper divisors (32182689).

87049311 is a wasteful number, since it uses less digits than its factorization.

87049311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3678.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 87049311 is about 9330.0220256975. The cubic root of 87049311 is about 443.1884625988.

The spelling of 87049311 in words is "eighty-seven million, forty-nine thousand, three hundred eleven".