87580002311 has 4 divisors (see below), whose sum is σ = 87995073624. Its totient is φ = 87164931000.

The previous prime is 87580002287. The next prime is 87580002353. The reversal of 87580002311 is 11320008578.

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 87580002311 - 2³⁴ = 70400133127 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 (87580002361) 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, 207535340 + ... + 207535761.

It is an arithmetic number, because the mean of its divisors is an integer number (21998768406).

Almost surely, 2^87580002311 is an apocalyptic number.

87580002311 is a deficient number, since it is larger than the sum of its proper divisors (415071313).

87580002311 is a wasteful number, since it uses less digits than its factorization.

87580002311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415071312.

The product of its (nonzero) digits is 13440, while the sum is 35.

The spelling of 87580002311 in words is "eighty-seven billion, five hundred eighty million, two thousand, three hundred eleven".