87788011 has 8 divisors (see below), whose sum is σ = 90272448. Its totient is φ = 85320000.

The previous prime is 87787991. The next prime is 87788083. The reversal of 87788011 is 11088778.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87788011 - 2⁷ = 87787883 is a prime.

It is a super-2 number, since 2×87788011² = 15413469750672242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87788111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7161 + ... + 15061.

It is an arithmetic number, because the mean of its divisors is an integer number (11284056).

Almost surely, 2^87788011 is an apocalyptic number.

87788011 is a deficient number, since it is larger than the sum of its proper divisors (2484437).

87788011 is a wasteful number, since it uses less digits than its factorization.

87788011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8213.

The product of its (nonzero) digits is 25088, while the sum is 40.

The square root of 87788011 is about 9369.5256550158. The cubic root of 87788011 is about 444.4385647810.

It can be divided in two parts, 877 and 88011, that added together give a palindrome (88888).

The spelling of 87788011 in words is "eighty-seven million, seven hundred eighty-eight thousand, eleven".