80916353764 has 27 divisors (see below), whose sum is σ = 145183455291. Its totient is φ = 39460013760.

The previous prime is 80916353753. The next prime is 80916353801. The reversal of 80916353764 is 46735361908.

It is a happy number.

The square root of 80916353764 is 284458.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 69243712164 + 11672641600 = 263142^2 + 108040^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 23323822 + ... + 23327290.

Almost surely, 2^80916353764 is an apocalyptic number.

80916353764 is the 284458-th square number.

It is an amenable number.

80916353764 is a deficient number, since it is larger than the sum of its proper divisors (64267101527).

80916353764 is an frugal number, since it uses more digits than its factorization.

80916353764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7024 (or 3512 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 80916353764 in words is "eighty billion, nine hundred sixteen million, three hundred fifty-three thousand, seven hundred sixty-four".