80177255740 has 24 divisors (see below), whose sum is σ = 168442000272. Its totient is φ = 32057614080.

The previous prime is 80177255713. The next prime is 80177255747. The reversal of 80177255740 is 4755277108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80177255747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780966 + ... + 877645.

It is an arithmetic number, because the mean of its divisors is an integer number (7018416678).

Almost surely, 2^80177255740 is an apocalyptic number.

It is an amenable number.

80177255740 is an abundant number, since it is smaller than the sum of its proper divisors (88264744532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80177255740 is a wasteful number, since it uses less digits than its factorization.

80177255740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661037 (or 1661035 counting only the distinct ones).

The product of its (nonzero) digits is 548800, while the sum is 46.

The spelling of 80177255740 in words is "eighty billion, one hundred seventy-seven million, two hundred fifty-five thousand, seven hundred forty".