7737656620073 has 16 divisors (see below), whose sum is σ = 8629581600000. Its totient is φ = 6894756433152.

The previous prime is 7737656620021. The next prime is 7737656620091. The reversal of 7737656620073 is 3700266567377.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7737656620073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7737656619994 and 7737656620021.

It is not an unprimeable number, because it can be changed into a prime (7737656620373) 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, 7232273 + ... + 8232926.

It is an arithmetic number, because the mean of its divisors is an integer number (539348850000).

Almost surely, 2^{7737656620073} is an apocalyptic number.

It is an amenable number.

7737656620073 is a deficient number, since it is larger than the sum of its proper divisors (891924979927).

7737656620073 is a wasteful number, since it uses less digits than its factorization.

7737656620073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15466784.

The product of its (nonzero) digits is 46675440, while the sum is 59.

The spelling of 7737656620073 in words is "seven trillion, seven hundred thirty-seven billion, six hundred fifty-six million, six hundred twenty thousand, seventy-three".