88958952981 has 6 divisors (see below), whose sum is σ = 128496265430. Its totient is φ = 59305968648.

The previous prime is 88958952977. The next prime is 88958952991. The reversal of 88958952981 is 18925985988.

88958952981 is a `hidden beast` number, since 8 + 8 + 95 + 8 + 9 + 529 + 8 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 88262468100 + 696484881 = 297090^2 + 26391^2 .

It is not a de Polignac number, because 88958952981 - 2² = 88958952977 is a prime.

It is a super-2 number, since 2×88958952981² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88958952941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4942164046 + ... + 4942164063.

Almost surely, 2^88958952981 is an apocalyptic number.

It is an amenable number.

88958952981 is a deficient number, since it is larger than the sum of its proper divisors (39537312449).

88958952981 is a wasteful number, since it uses less digits than its factorization.

88958952981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9884328115 (or 9884328112 counting only the distinct ones).

The product of its digits is 149299200, while the sum is 72.

The spelling of 88958952981 in words is "eighty-eight billion, nine hundred fifty-eight million, nine hundred fifty-two thousand, nine hundred eighty-one".