80744783847 has 32 divisors (see below), whose sum is σ = 132655057920. Its totient is φ = 42542184960.

The previous prime is 80744783827. The next prime is 80744783869. The reversal of 80744783847 is 74838744708.

It is not a de Polignac number, because 80744783847 - 2¹⁰ = 80744782823 is a prime.

It is a super-3 number, since 3×80744783847³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80744783827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72654 + ... + 408372.

It is an arithmetic number, because the mean of its divisors is an integer number (4145470560).

Almost surely, 2^80744783847 is an apocalyptic number.

80744783847 is a deficient number, since it is larger than the sum of its proper divisors (51910274073).

80744783847 is a wasteful number, since it uses less digits than its factorization.

80744783847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336623.

The product of its (nonzero) digits is 33718272, while the sum is 60.

The spelling of 80744783847 in words is "eighty billion, seven hundred forty-four million, seven hundred eighty-three thousand, eight hundred forty-seven".