80777434 has 8 divisors (see below), whose sum is σ = 121497408. Its totient is φ = 40278300.

The previous prime is 80777377. The next prime is 80777453. The reversal of 80777434 is 43477708.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 54292 + ... + 55759.

It is an arithmetic number, because the mean of its divisors is an integer number (15187176).

Almost surely, 2^80777434 is an apocalyptic number.

80777434 is a deficient number, since it is larger than the sum of its proper divisors (40719974).

80777434 is a wasteful number, since it uses less digits than its factorization.

80777434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110420.

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 80777434 is about 8987.6267167701. The cubic root of 80777434 is about 432.2782165607.

The spelling of 80777434 in words is "eighty million, seven hundred seventy-seven thousand, four hundred thirty-four".