88780453 has 2 divisors, whose sum is σ = 88780454. Its totient is φ = 88780452.

The previous prime is 88780451. The next prime is 88780487. The reversal of 88780453 is 35408788.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87946884 + 833569 = 9378^2 + 913^2 .

It is a cyclic number.

It is not a de Polignac number, because 88780453 - 2¹ = 88780451 is a prime.

Together with 88780451, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88780451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44390226 + 44390227.

It is an arithmetic number, because the mean of its divisors is an integer number (44390227).

Almost surely, 2^88780453 is an apocalyptic number.

It is an amenable number.

88780453 is a deficient number, since it is larger than the sum of its proper divisors (1).

88780453 is an equidigital number, since it uses as much as digits as its factorization.

88780453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 88780453 is about 9422.3379795038. The cubic root of 88780453 is about 446.1070831510.

The spelling of 88780453 in words is "eighty-eight million, seven hundred eighty thousand, four hundred fifty-three".