80377397 has 8 divisors (see below), whose sum is σ = 81030840. Its totient is φ = 79727040.

The previous prime is 80377393. The next prime is 80377417. The reversal of 80377397 is 79377308.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 36168196 + 44209201 = 6014^2 + 6649^2 .

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 80377397 - 2² = 80377393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80377393) 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, 84947 + ... + 85887.

It is an arithmetic number, because the mean of its divisors is an integer number (10128855).

Almost surely, 2^80377397 is an apocalyptic number.

It is an amenable number.

80377397 is a deficient number, since it is larger than the sum of its proper divisors (653443).

80377397 is a wasteful number, since it uses less digits than its factorization.

80377397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543.

The product of its (nonzero) digits is 222264, while the sum is 44.

The square root of 80377397 is about 8965.3442209432. The cubic root of 80377397 is about 431.5634396525.

The spelling of 80377397 in words is "eighty million, three hundred seventy-seven thousand, three hundred ninety-seven".