877428701 has 4 divisors (see below), whose sum is σ = 929042172. Its totient is φ = 825815232.

The previous prime is 877428653. The next prime is 877428709. The reversal of 877428701 is 107824778.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 437897476 + 439531225 = 20926^2 + 20965^2 .

It is a cyclic number.

It is not a de Polignac number, because 877428701 - 2¹⁸ = 877166557 is a prime.

It is a super-2 number, since 2×877428701² = 1539762250677094802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (877428709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25806710 + ... + 25806743.

It is an arithmetic number, because the mean of its divisors is an integer number (232260543).

Almost surely, 2^877428701 is an apocalyptic number.

It is an amenable number.

877428701 is a deficient number, since it is larger than the sum of its proper divisors (51613471).

877428701 is a wasteful number, since it uses less digits than its factorization.

877428701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51613470.

The product of its (nonzero) digits is 175616, while the sum is 44.

The square root of 877428701 is about 29621.4230076815. The cubic root of 877428701 is about 957.3497144301.

The spelling of 877428701 in words is "eight hundred seventy-seven million, four hundred twenty-eight thousand, seven hundred one".