80937471 has 4 divisors (see below), whose sum is σ = 107916632. Its totient is φ = 53958312.

The previous prime is 80937469. The next prime is 80937547. The reversal of 80937471 is 17473908.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 80937471 - 2¹ = 80937469 is a prime.

It is a super-3 number, since 3×80937471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80937421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13489576 + ... + 13489581.

It is an arithmetic number, because the mean of its divisors is an integer number (26979158).

Almost surely, 2^80937471 is an apocalyptic number.

80937471 is a deficient number, since it is larger than the sum of its proper divisors (26979161).

80937471 is a wasteful number, since it uses less digits than its factorization.

80937471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26979160.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 80937471 is about 8996.5254959901. The cubic root of 80937471 is about 432.5635061056.

The spelling of 80937471 in words is "eighty million, nine hundred thirty-seven thousand, four hundred seventy-one".