80777401 has 8 divisors (see below), whose sum is σ = 83081984. Its totient is φ = 78479280.

The previous prime is 80777377. The next prime is 80777453. The reversal of 80777401 is 10477708.

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 80777401 - 2⁹ = 80776889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80777471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35566 + ... + 37768.

It is an arithmetic number, because the mean of its divisors is an integer number (10385248).

Almost surely, 2^80777401 is an apocalyptic number.

It is an amenable number.

80777401 is a deficient number, since it is larger than the sum of its proper divisors (2304583).

80777401 is a wasteful number, since it uses less digits than its factorization.

80777401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3231.

The product of its (nonzero) digits is 10976, while the sum is 34.

The square root of 80777401 is about 8987.6248809126. The cubic root of 80777401 is about 432.2781576945.

The spelling of 80777401 in words is "eighty million, seven hundred seventy-seven thousand, four hundred one".