80370511 has 4 divisors (see below), whose sum is σ = 86552872. Its totient is φ = 74188152.

The previous prime is 80370491. The next prime is 80370523. The reversal of 80370511 is 11507308.

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

It is a cyclic number.

It is not a de Polignac number, because 80370511 - 2¹³ = 80362319 is a prime.

It is a super-2 number, since 2×80370511² = 12918838076802242, which contains 22 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 (80370541) 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, 3091161 + ... + 3091186.

It is an arithmetic number, because the mean of its divisors is an integer number (21638218).

Almost surely, 2^80370511 is an apocalyptic number.

80370511 is a deficient number, since it is larger than the sum of its proper divisors (6182361).

80370511 is a wasteful number, since it uses less digits than its factorization.

80370511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6182360.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 80370511 is about 8964.9601783834. The cubic root of 80370511 is about 431.5511151648.

Adding to 80370511 its reverse (11507308), we get a palindrome (91877819).

The spelling of 80370511 in words is "eighty million, three hundred seventy thousand, five hundred eleven".