88300078781 has 2 divisors, whose sum is σ = 88300078782. Its totient is φ = 88300078780.

The previous prime is 88300078723. The next prime is 88300078799. The reversal of 88300078781 is 18787000388.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85532266681 + 2767812100 = 292459^2 + 52610^2 .

It is a cyclic number.

It is not a de Polignac number, because 88300078781 - 2¹⁴ = 88300062397 is a prime.

It is a super-2 number, since 2×88300078781² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88600078781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44150039390 + 44150039391.

It is an arithmetic number, because the mean of its divisors is an integer number (44150039391).

Almost surely, 2^88300078781 is an apocalyptic number.

It is an amenable number.

88300078781 is a deficient number, since it is larger than the sum of its proper divisors (1).

88300078781 is an equidigital number, since it uses as much as digits as its factorization.

88300078781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 602112, while the sum is 50.

The spelling of 88300078781 in words is "eighty-eight billion, three hundred million, seventy-eight thousand, seven hundred eighty-one".