7766442736045 has 32 divisors (see below), whose sum is σ = 10671439933440. Its totient is φ = 5315404438080.

The previous prime is 7766442736027. The next prime is 7766442736099. The reversal of 7766442736045 is 5406372446677.

It is not a de Polignac number, because 7766442736045 - 2²⁵ = 7766409181613 is a prime.

It is a super-2 number, since 2×7766442736045² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145524076 + ... + 145577434.

It is an arithmetic number, because the mean of its divisors is an integer number (333482497920).

Almost surely, 2^{7766442736045} is an apocalyptic number.

It is an amenable number.

7766442736045 is a deficient number, since it is larger than the sum of its proper divisors (2904997197395).

7766442736045 is a wasteful number, since it uses less digits than its factorization.

7766442736045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61225.

The product of its (nonzero) digits is 142248960, while the sum is 61.

The spelling of 7766442736045 in words is "seven trillion, seven hundred sixty-six billion, four hundred forty-two million, seven hundred thirty-six thousand, forty-five".