80370949528 has 8 divisors (see below), whose sum is σ = 150695530380. Its totient is φ = 40185474760.

The previous prime is 80370949523. The next prime is 80370949531. The reversal of 80370949528 is 82594907308.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80370949523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5023184338 + ... + 5023184353.

Almost surely, 2^80370949528 is an apocalyptic number.

It is an amenable number.

80370949528 is a deficient number, since it is larger than the sum of its proper divisors (70324580852).

80370949528 is a wasteful number, since it uses less digits than its factorization.

80370949528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10046368697 (or 10046368693 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 80370949528 in words is "eighty billion, three hundred seventy million, nine hundred forty-nine thousand, five hundred twenty-eight".