80730073870 has 32 divisors (see below), whose sum is σ = 146315318688. Its totient is φ = 32070307968.

The previous prime is 80730073859. The next prime is 80730073877. The reversal of 80730073870 is 7837003708.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80730073877) 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 in 15 ways as a sum of consecutive naturals, for example, 802924 + ... + 897856.

It is an arithmetic number, because the mean of its divisors is an integer number (4572353709).

Almost surely, 2^80730073870 is an apocalyptic number.

80730073870 is a deficient number, since it is larger than the sum of its proper divisors (65585244818).

80730073870 is a wasteful number, since it uses less digits than its factorization.

80730073870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95524.

The product of its (nonzero) digits is 197568, while the sum is 43.

The spelling of 80730073870 in words is "eighty billion, seven hundred thirty million, seventy-three thousand, eight hundred seventy".