772871 has 8 divisors (see below), whose sum is σ = 892944. Its totient is φ = 661120.

The previous prime is 772867. The next prime is 772903. The reversal of 772871 is 178277.

772871 = T₂₉₃ + T₂₉₄ + ... + T₃₀₉.

772871 is nontrivially palindromic in base 5.

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 772871 - 2² = 772867 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772571) 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, 1880 + ... + 2253.

It is an arithmetic number, because the mean of its divisors is an integer number (111618).

2⁷⁷²⁸⁷¹ is an apocalyptic number.

772871 is a deficient number, since it is larger than the sum of its proper divisors (120073).

772871 is a wasteful number, since it uses less digits than its factorization.

772871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4161.

The product of its digits is 5488, while the sum is 32.

The square root of 772871 is about 879.1308207542. The cubic root of 772871 is about 91.7703392704.

The spelling of 772871 in words is "seven hundred seventy-two thousand, eight hundred seventy-one".