88947694081 has 9 divisors (see below), whose sum is σ = 92990299521. Its totient is φ = 85073841732.

The previous prime is 88947694079. The next prime is 88947694103. The reversal of 88947694081 is 18049674988.

The square root of 88947694081 is 298241.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 88947694081 - 2¹ = 88947694079 is a prime.

It is a super-2 number, since 2×88947694081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88947694051) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6853060 + ... + 6866026.

Almost surely, 2^88947694081 is an apocalyptic number.

88947694081 is the 298241-st square number.

88947694081 is the 149121-st centered octagonal number.

It is an amenable number.

88947694081 is a deficient number, since it is larger than the sum of its proper divisors (4042605440).

88947694081 is an frugal number, since it uses more digits than its factorization.

88947694081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25980 (or 12990 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 64.

Multiplying 88947694081 by its sum of digits (64), we get a square (5692652421184 = 2385928²).

The spelling of 88947694081 in words is "eighty-eight billion, nine hundred forty-seven million, six hundred ninety-four thousand, eighty-one".