77061011 has 4 divisors (see below), whose sum is σ = 77173224. Its totient is φ = 76948800.

The previous prime is 77061001. The next prime is 77061037. The reversal of 77061011 is 11016077.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11016077 = 2791 ⋅3947.

It is a cyclic number.

It is not a de Polignac number, because 77061011 - 2²² = 72866707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77061001) 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, 55070 + ... + 56451.

It is an arithmetic number, because the mean of its divisors is an integer number (19293306).

Almost surely, 2^77061011 is an apocalyptic number.

77061011 is a deficient number, since it is larger than the sum of its proper divisors (112213).

77061011 is a wasteful number, since it uses less digits than its factorization.

77061011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112212.

The product of its (nonzero) digits is 294, while the sum is 23.

The square root of 77061011 is about 8778.4401233932. The cubic root of 77061011 is about 425.5444206440.

Adding to 77061011 its reverse (11016077), we get a palindrome (88077088).

The spelling of 77061011 in words is "seventy-seven million, sixty-one thousand, eleven".