80740958 has 4 divisors (see below), whose sum is σ = 121111440. Its totient is φ = 40370478.

The previous prime is 80740951. The next prime is 80740981. The reversal of 80740958 is 85904708.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80740951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20185238 + ... + 20185241.

It is an arithmetic number, because the mean of its divisors is an integer number (30277860).

Almost surely, 2^80740958 is an apocalyptic number.

80740958 is a deficient number, since it is larger than the sum of its proper divisors (40370482).

80740958 is a wasteful number, since it uses less digits than its factorization.

80740958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40370481.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 80740958 is about 8985.5972533828. The cubic root of 80740958 is about 432.2131399941.

The spelling of 80740958 in words is "eighty million, seven hundred forty thousand, nine hundred fifty-eight".