87308011 has 4 divisors (see below), whose sum is σ = 99780592. Its totient is φ = 74835432.

The previous prime is 87307991. The next prime is 87308029. The reversal of 87308011 is 11080378.

It is a happy number.

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

It is not a de Polignac number, because 87308011 - 2¹¹ = 87305963 is a prime.

It is a super-2 number, since 2×87308011² = 15245377569552242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87308411) 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, 6236280 + ... + 6236293.

It is an arithmetic number, because the mean of its divisors is an integer number (24945148).

Almost surely, 2^87308011 is an apocalyptic number.

87308011 is a deficient number, since it is larger than the sum of its proper divisors (12472581).

87308011 is a wasteful number, since it uses less digits than its factorization.

87308011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12472580.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 87308011 is about 9343.8755877848. The cubic root of 87308011 is about 443.6270625256.

Adding to 87308011 its reverse (11080378), we get a palindrome (98388389).

The spelling of 87308011 in words is "eighty-seven million, three hundred eight thousand, eleven".