180077738 has 8 divisors (see below), whose sum is σ = 271307232. Its totient is φ = 89641996.

The previous prime is 180077707. The next prime is 180077743. The reversal of 180077738 is 837770081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 180077695 and 180077704.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197870 + ... + 198777.

It is an arithmetic number, because the mean of its divisors is an integer number (33913404).

Almost surely, 2^180077738 is an apocalyptic number.

180077738 is a deficient number, since it is larger than the sum of its proper divisors (91229494).

180077738 is a wasteful number, since it uses less digits than its factorization.

180077738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396876.

The product of its (nonzero) digits is 65856, while the sum is 41.

The square root of 180077738 is about 13419.3046764726. The cubic root of 180077738 is about 564.7028881398.

The spelling of 180077738 in words is "one hundred eighty million, seventy-seven thousand, seven hundred thirty-eight".