88178491061 has 2 divisors, whose sum is σ = 88178491062. Its totient is φ = 88178491060.

The previous prime is 88178491031. The next prime is 88178491103. The reversal of 88178491061 is 16019487188.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68880002500 + 19298488561 = 262450^2 + 138919^2 .

It is a cyclic number.

It is not a de Polignac number, because 88178491061 - 2¹⁴ = 88178474677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 88178490994 and 88178491012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88178491021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44089245530 + 44089245531.

It is an arithmetic number, because the mean of its divisors is an integer number (44089245531).

Almost surely, 2^88178491061 is an apocalyptic number.

It is an amenable number.

88178491061 is a deficient number, since it is larger than the sum of its proper divisors (1).

88178491061 is an equidigital number, since it uses as much as digits as its factorization.

88178491061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 53.

The spelling of 88178491061 in words is "eighty-eight billion, one hundred seventy-eight million, four hundred ninety-one thousand, sixty-one".