88278403 has 2 divisors, whose sum is σ = 88278404. Its totient is φ = 88278402.

The previous prime is 88278401. The next prime is 88278409. The reversal of 88278403 is 30487288.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88278403 - 2¹ = 88278401 is a prime.

Together with 88278401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (88278401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44139201 + 44139202.

It is an arithmetic number, because the mean of its divisors is an integer number (44139202).

Almost surely, 2^88278403 is an apocalyptic number.

88278403 is a deficient number, since it is larger than the sum of its proper divisors (1).

88278403 is an equidigital number, since it uses as much as digits as its factorization.

88278403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 88278403 is about 9395.6587315632. The cubic root of 88278403 is about 445.2645870018.

The spelling of 88278403 in words is "eighty-eight million, two hundred seventy-eight thousand, four hundred three".