874820761 has 4 divisors (see below), whose sum is σ = 881206452. Its totient is φ = 868435072.

The previous prime is 874820759. The next prime is 874820803. The reversal of 874820761 is 167028478.

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 671587225 + 203233536 = 25915^2 + 14256^2 .

It is a cyclic number.

It is not a de Polignac number, because 874820761 - 2¹ = 874820759 is a prime.

It is a super-2 number, since 2×874820761² = 1530622727753238242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (874824761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3192640 + ... + 3192913.

It is an arithmetic number, because the mean of its divisors is an integer number (220301613).

Almost surely, 2^874820761 is an apocalyptic number.

It is an amenable number.

874820761 is a deficient number, since it is larger than the sum of its proper divisors (6385691).

874820761 is a wasteful number, since it uses less digits than its factorization.

874820761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6385690.

The product of its (nonzero) digits is 150528, while the sum is 43.

The square root of 874820761 is about 29577.3690682589. The cubic root of 874820761 is about 956.4002779982.

The spelling of 874820761 in words is "eight hundred seventy-four million, eight hundred twenty thousand, seven hundred sixty-one".