80377242434 has 4 divisors (see below), whose sum is σ = 120565863654. Its totient is φ = 40188621216.

The previous prime is 80377242433. The next prime is 80377242443. The reversal of 80377242434 is 43424277308.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 65712759025 + 14664483409 = 256345^2 + 121097^2 .

It is a super-2 number, since 2×80377242434² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80377242433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20094310607 + ... + 20094310610.

Almost surely, 2^80377242434 is an apocalyptic number.

80377242434 is a deficient number, since it is larger than the sum of its proper divisors (40188621220).

80377242434 is a wasteful number, since it uses less digits than its factorization.

80377242434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40188621219.

The product of its (nonzero) digits is 903168, while the sum is 44.

The spelling of 80377242434 in words is "eighty billion, three hundred seventy-seven million, two hundred forty-two thousand, four hundred thirty-four".