81037024307 has 8 divisors (see below), whose sum is σ = 81953013600. Its totient is φ = 80121156544.

The previous prime is 81037024297. The next prime is 81037024319. The reversal of 81037024307 is 70342073018.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 81037024307 - 2⁴ = 81037024291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (81037024807) 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, 2403794 + ... + 2437272.

It is an arithmetic number, because the mean of its divisors is an integer number (10244126700).

Almost surely, 2^81037024307 is an apocalyptic number.

81037024307 is a deficient number, since it is larger than the sum of its proper divisors (915989293).

81037024307 is a wasteful number, since it uses less digits than its factorization.

81037024307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60765.

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 81037024307 in words is "eighty-one billion, thirty-seven million, twenty-four thousand, three hundred seven".