745207777811 has 16 divisors (see below), whose sum is σ = 863703288000. Its totient is φ = 629762715648.

The previous prime is 745207777801. The next prime is 745207777813. The reversal of 745207777811 is 118777702547.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 745207777811 - 2⁶ = 745207777747 is a prime.

It is a super-2 number, since 2×745207777811² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (745207777813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1496270 + ... + 1931123.

It is an arithmetic number, because the mean of its divisors is an integer number (53981455500).

Almost surely, 2^745207777811 is an apocalyptic number.

745207777811 is a deficient number, since it is larger than the sum of its proper divisors (118495510189).

745207777811 is a wasteful number, since it uses less digits than its factorization.

745207777811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3427838.

The product of its (nonzero) digits is 5378240, while the sum is 56.

The spelling of 745207777811 in words is "seven hundred forty-five billion, two hundred seven million, seven hundred seventy-seven thousand, eight hundred eleven".