872626522 has 4 divisors (see below), whose sum is σ = 1308939786. Its totient is φ = 436313260.

The previous prime is 872626499. The next prime is 872626549. The reversal of 872626522 is 225626278.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 818589321 + 54037201 = 28611^2 + 7351^2 .

It is a super-2 number, since 2×872626522² = 1522954093795632968, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 218156629 + ... + 218156632.

Almost surely, 2^872626522 is an apocalyptic number.

872626522 is a deficient number, since it is larger than the sum of its proper divisors (436313264).

872626522 is a wasteful number, since it uses less digits than its factorization.

872626522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436313263.

The product of its digits is 161280, while the sum is 40.

The square root of 872626522 is about 29540.2525717029. The cubic root of 872626522 is about 955.5999891893.

The spelling of 872626522 in words is "eight hundred seventy-two million, six hundred twenty-six thousand, five hundred twenty-two".