77132011 has 4 divisors (see below), whose sum is σ = 84144024. Its totient is φ = 70120000.

The previous prime is 77131991. The next prime is 77132021. The reversal of 77132011 is 11023177.

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 77132011 - 2¹³ = 77123819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77132021) 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, 3505990 + ... + 3506011.

It is an arithmetic number, because the mean of its divisors is an integer number (21036006).

Almost surely, 2^77132011 is an apocalyptic number.

77132011 is a deficient number, since it is larger than the sum of its proper divisors (7012013).

77132011 is a wasteful number, since it uses less digits than its factorization.

77132011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7012012.

The product of its (nonzero) digits is 294, while the sum is 22.

The square root of 77132011 is about 8782.4831909888. The cubic root of 77132011 is about 425.6750720120.

Adding to 77132011 its reverse (11023177), we get a palindrome (88155188).

The spelling of 77132011 in words is "seventy-seven million, one hundred thirty-two thousand, eleven".