77406011 has 8 divisors (see below), whose sum is σ = 78942864. Its totient is φ = 75877920.

The previous prime is 77405969. The next prime is 77406013. The reversal of 77406011 is 11060477.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77406011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77406013) 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, 17336 + ... + 21338.

It is an arithmetic number, because the mean of its divisors is an integer number (9867858).

Almost surely, 2^77406011 is an apocalyptic number.

77406011 is a deficient number, since it is larger than the sum of its proper divisors (1536853).

77406011 is a wasteful number, since it uses less digits than its factorization.

77406011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4381.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 77406011 is about 8798.0685948679. The cubic root of 77406011 is about 426.1785254666.

Adding to 77406011 its reverse (11060477), we get a palindrome (88466488).

The spelling of 77406011 in words is "seventy-seven million, four hundred six thousand, eleven".