87206044 has 6 divisors (see below), whose sum is σ = 152610584. Its totient is φ = 43603020.

The previous prime is 87206023. The next prime is 87206047. The reversal of 87206044 is 44060278.

It is a super-2 number, since 2×87206044² = 15209788220259872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87205997 and 87206015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87206047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10900752 + ... + 10900759.

Almost surely, 2^87206044 is an apocalyptic number.

It is an amenable number.

87206044 is a deficient number, since it is larger than the sum of its proper divisors (65404540).

87206044 is a wasteful number, since it uses less digits than its factorization.

87206044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21801515 (or 21801513 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 87206044 is about 9338.4176389793. The cubic root of 87206044 is about 443.4542912770.

The spelling of 87206044 in words is "eighty-seven million, two hundred six thousand, forty-four".