80354390 has 16 divisors (see below), whose sum is σ = 145192608. Its totient is φ = 32018496.

The previous prime is 80354381. The next prime is 80354399. The reversal of 80354390 is 9345308.

It is an interprime number because it is at equal distance from previous prime (80354381) and next prime (80354399).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80354399) 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, 12647 + ... + 17906.

It is an arithmetic number, because the mean of its divisors is an integer number (9074538).

Almost surely, 2^80354390 is an apocalyptic number.

80354390 is a deficient number, since it is larger than the sum of its proper divisors (64838218).

80354390 is a wasteful number, since it uses less digits than its factorization.

80354390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30823.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 80354390 is about 8964.0610216575. The cubic root of 80354390 is about 431.5222592215.

Adding to 80354390 its reverse (9345308), we get a palindrome (89699698).

The spelling of 80354390 in words is "eighty million, three hundred fifty-four thousand, three hundred ninety".