77216011 has 8 divisors (see below), whose sum is σ = 77831424. Its totient is φ = 76603560.

The previous prime is 77215993. The next prime is 77216017. The reversal of 77216011 is 11061277.

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 77216011 - 2¹⁵ = 77183243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77216017) 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, 86610 + ... + 87496.

It is an arithmetic number, because the mean of its divisors is an integer number (9728928).

Almost surely, 2^77216011 is an apocalyptic number.

77216011 is a deficient number, since it is larger than the sum of its proper divisors (615413).

77216011 is a wasteful number, since it uses less digits than its factorization.

77216011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481.

The product of its (nonzero) digits is 588, while the sum is 25.

The square root of 77216011 is about 8787.2641362372. The cubic root of 77216011 is about 425.8295419623.

Adding to 77216011 its reverse (11061277), we get a palindrome (88277288).

The spelling of 77216011 in words is "seventy-seven million, two hundred sixteen thousand, eleven".