88697719090 has 16 divisors (see below), whose sum is σ = 159661359000. Its totient is φ = 35477873280.

The previous prime is 88697719069. The next prime is 88697719091. The reversal of 88697719090 is 9091779688.

It can be written as a sum of positive squares in 4 ways, for example, as 83721686409 + 4976032681 = 289347^2 + 70541^2 .

It is not an unprimeable number, because it can be changed into a prime (88697719091) 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, 192070 + ... + 462910.

Almost surely, 2^88697719090 is an apocalyptic number.

88697719090 is a deficient number, since it is larger than the sum of its proper divisors (70963639910).

88697719090 is a wasteful number, since it uses less digits than its factorization.

88697719090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303597.

The product of its (nonzero) digits is 13716864, while the sum is 64.

The spelling of 88697719090 in words is "eighty-eight billion, six hundred ninety-seven million, seven hundred nineteen thousand, ninety".