88720149 has 8 divisors (see below), whose sum is σ = 135192640. Its totient is φ = 50697216.

The previous prime is 88720147. The next prime is 88720153. The reversal of 88720149 is 94102788.

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

It is not a de Polignac number, because 88720149 - 2¹ = 88720147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88720141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2112364 + ... + 2112405.

It is an arithmetic number, because the mean of its divisors is an integer number (16899080).

Almost surely, 2^88720149 is an apocalyptic number.

It is an amenable number.

88720149 is a deficient number, since it is larger than the sum of its proper divisors (46472491).

88720149 is a wasteful number, since it uses less digits than its factorization.

88720149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4224779.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 88720149 is about 9419.1373808858. The cubic root of 88720149 is about 446.0060543998.

The spelling of 88720149 in words is "eighty-eight million, seven hundred twenty thousand, one hundred forty-nine".