87259202210 has 32 divisors (see below), whose sum is σ = 165413197440. Its totient is φ = 33050650752.

The previous prime is 87259202209. The next prime is 87259202213. The reversal of 87259202210 is 1220295278.

It is a happy number.

It is a super-2 number, since 2×87259202210² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (87259202213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286502 + ... + 506558.

It is an arithmetic number, because the mean of its divisors is an integer number (5169162420).

Almost surely, 2^87259202210 is an apocalyptic number.

87259202210 is a deficient number, since it is larger than the sum of its proper divisors (78153995230).

87259202210 is a wasteful number, since it uses less digits than its factorization.

87259202210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222170.

The product of its (nonzero) digits is 40320, while the sum is 38.

Adding to 87259202210 its reverse (1220295278), we get a palindrome (88479497488).

The spelling of 87259202210 in words is "eighty-seven billion, two hundred fifty-nine million, two hundred two thousand, two hundred ten".