88705687225 has 9 divisors (see below), whose sum is σ = 109996898767. Its totient is φ = 70963358440.

The previous prime is 88705687199. The next prime is 88705687241. The reversal of 88705687225 is 52278650788.

The square root of 88705687225 is 297835.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 31934047401 + 56771639824 = 178701^2 + 238268^2 .

It is not a de Polignac number, because 88705687225 - 2⁷ = 88705687097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 88705687225.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1459392 + ... + 1518958.

Almost surely, 2^88705687225 is an apocalyptic number.

88705687225 is the 297835-th square number.

88705687225 is the 148918-th centered octagonal number.

It is an amenable number.

88705687225 is a deficient number, since it is larger than the sum of its proper divisors (21291211542).

88705687225 is an frugal number, since it uses more digits than its factorization.

88705687225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119144 (or 59572 counting only the distinct ones).

The product of its (nonzero) digits is 15052800, while the sum is 58.

The spelling of 88705687225 in words is "eighty-eight billion, seven hundred five million, six hundred eighty-seven thousand, two hundred twenty-five".