80770378 has 16 divisors (see below), whose sum is σ = 131102496. Its totient is φ = 37099440.

The previous prime is 80770373. The next prime is 80770379. The reversal of 80770378 is 87307708.

It is a self number, because there is not a number n which added to its sum of digits gives 80770378.

It is not an unprimeable number, because it can be changed into a prime (80770373) 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, 1876 + ... + 12847.

It is an arithmetic number, because the mean of its divisors is an integer number (8193906).

Almost surely, 2^80770378 is an apocalyptic number.

80770378 is a deficient number, since it is larger than the sum of its proper divisors (50332118).

80770378 is a wasteful number, since it uses less digits than its factorization.

80770378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14949.

The product of its (nonzero) digits is 65856, while the sum is 40.

The square root of 80770378 is about 8987.2341685304. The cubic root of 80770378 is about 432.2656295309.

The spelling of 80770378 in words is "eighty million, seven hundred seventy thousand, three hundred seventy-eight".