7770061346663 has 32 divisors (see below), whose sum is σ = 9693626462208. Its totient is φ = 6050671660800.

The previous prime is 7770061346527. The next prime is 7770061346693. The reversal of 7770061346663 is 3666431600777.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 7770061346663 - 2²² = 7770057152359 is a prime.

It is a super-2 number, since 2×7770061346663² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7770061346599 and 7770061346608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7770061346693) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1443978233 + ... + 1443983613.

It is an arithmetic number, because the mean of its divisors is an integer number (302925826944).

Almost surely, 2^{7770061346663} is an apocalyptic number.

7770061346663 is a deficient number, since it is larger than the sum of its proper divisors (1923565115545).

7770061346663 is a wasteful number, since it uses less digits than its factorization.

7770061346663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14063.

The product of its (nonzero) digits is 16003008, while the sum is 56.

The spelling of 7770061346663 in words is "seven trillion, seven hundred seventy billion, sixty-one million, three hundred forty-six thousand, six hundred sixty-three".