88722275506 has 8 divisors (see below), whose sum is σ = 136680262380. Its totient is φ = 43162188048.

The previous prime is 88722275503. The next prime is 88722275561. The reversal of 88722275506 is 60557222788.

It can be written as a sum of positive squares in 2 ways, for example, as 64562236281 + 24160039225 = 254091^2 + 155435^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (88722275503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599474761 + ... + 599474908.

Almost surely, 2^88722275506 is an apocalyptic number.

88722275506 is a deficient number, since it is larger than the sum of its proper divisors (47957986874).

88722275506 is a wasteful number, since it uses less digits than its factorization.

88722275506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198949708.

The product of its (nonzero) digits is 3763200, while the sum is 52.

The spelling of 88722275506 in words is "eighty-eight billion, seven hundred twenty-two million, two hundred seventy-five thousand, five hundred six".