80763387722 has 16 divisors (see below), whose sum is σ = 122121445992. Its totient is φ = 40057364160.

The previous prime is 80763387709. The next prime is 80763387767. The reversal of 80763387722 is 22778336708.

It is a Cunningham number, because it is equal to 284189²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 54125557201 + 26637830521 = 232649^2 + 163211^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137273 + ... + 424700.

Almost surely, 2^80763387722 is an apocalyptic number.

80763387722 is a deficient number, since it is larger than the sum of its proper divisors (41358058270).

80763387722 is a wasteful number, since it uses less digits than its factorization.

80763387722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562553.

The product of its (nonzero) digits is 4741632, while the sum is 53.

The spelling of 80763387722 in words is "eighty billion, seven hundred sixty-three million, three hundred eighty-seven thousand, seven hundred twenty-two".