80272637542 has 4 divisors (see below), whose sum is σ = 120408956316. Its totient is φ = 40136318770.

The previous prime is 80272637537. The next prime is 80272637591. The reversal of 80272637542 is 24573627208.

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

It is a junction number, because it is equal to n+sod(n) for n = 80272637492 and 80272637501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20068159384 + ... + 20068159387.

It is an arithmetic number, because the mean of its divisors is an integer number (30102239079).

Almost surely, 2^80272637542 is an apocalyptic number.

80272637542 is a deficient number, since it is larger than the sum of its proper divisors (40136318774).

80272637542 is a wasteful number, since it uses less digits than its factorization.

80272637542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40136318773.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 80272637542 in words is "eighty billion, two hundred seventy-two million, six hundred thirty-seven thousand, five hundred forty-two".