77225261711 has 16 divisors (see below), whose sum is σ = 86441278560. Its totient is φ = 68500494720.

The previous prime is 77225261699. The next prime is 77225261767. The reversal of 77225261711 is 11716252277.

It is a cyclic number.

It is not a de Polignac number, because 77225261711 - 2¹⁰ = 77225260687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77225261111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405860 + ... + 564953.

It is an arithmetic number, because the mean of its divisors is an integer number (5402579910).

Almost surely, 2^77225261711 is an apocalyptic number.

77225261711 is a deficient number, since it is larger than the sum of its proper divisors (9216016849).

77225261711 is a wasteful number, since it uses less digits than its factorization.

77225261711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971066.

The product of its digits is 82320, while the sum is 41.

The spelling of 77225261711 in words is "seventy-seven billion, two hundred twenty-five million, two hundred sixty-one thousand, seven hundred eleven".