88721079 has 16 divisors (see below), whose sum is σ = 128641248. Its totient is φ = 54162432.

The previous prime is 88721077. The next prime is 88721081. The reversal of 88721079 is 97012788.

It is an interprime number because it is at equal distance from previous prime (88721077) and next prime (88721081).

It is not a de Polignac number, because 88721079 - 2¹ = 88721077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 88721079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88721071) 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, 21622 + ... + 25395.

It is an arithmetic number, because the mean of its divisors is an integer number (8040078).

Almost surely, 2^88721079 is an apocalyptic number.

88721079 is a deficient number, since it is larger than the sum of its proper divisors (39920169).

88721079 is a wasteful number, since it uses less digits than its factorization.

88721079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47074.

The product of its (nonzero) digits is 56448, while the sum is 42.

The square root of 88721079 is about 9419.1867483345. The cubic root of 88721079 is about 446.0076127988.

The spelling of 88721079 in words is "eighty-eight million, seven hundred twenty-one thousand, seventy-nine".