76446651218761 has 32 divisors (see below), whose sum is σ = 79189492678560. Its totient is φ = 73758163175424.

The previous prime is 76446651218711. The next prime is 76446651218779. The reversal of 76446651218761 is 16781215664467.

It can be written as a sum of positive squares in 16 ways, for example, as 52146462736 + 76394504756025 = 228356^2 + 8740395^2 .

It is a cyclic number.

It is not a de Polignac number, because 76446651218761 - 2¹⁷ = 76446651087689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76446651218693 and 76446651218702.

It is not an unprimeable number, because it can be changed into a prime (76446651218711) 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, 9855178695 + ... + 9855186451.

It is an arithmetic number, because the mean of its divisors is an integer number (2474671646205).

Almost surely, 2^{76446651218761} is an apocalyptic number.

It is an amenable number.

76446651218761 is a deficient number, since it is larger than the sum of its proper divisors (2742841459799).

76446651218761 is a wasteful number, since it uses less digits than its factorization.

76446651218761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15085.

The product of its digits is 81285120, while the sum is 64.

The spelling of 76446651218761 in words is "seventy-six trillion, four hundred forty-six billion, six hundred fifty-one million, two hundred eighteen thousand, seven hundred sixty-one".