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88779497 is a prime number
BaseRepresentation
bin1010100101010…
…10101011101001
320012001110120112
411102222223221
5140211420442
612450504105
72125420232
oct522525351
9205043515
1088779497
1146128394
1225895035
1315515561
14bb10089
157bda082
hex54aaae9

88779497 has 2 divisors, whose sum is σ = 88779498. Its totient is φ = 88779496.

The previous prime is 88779463. The next prime is 88779499. The reversal of 88779497 is 79497788.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55785961 + 32993536 = 7469^2 + 5744^2 .

It is a cyclic number.

It is not a de Polignac number, because 88779497 - 220 = 87730921 is a prime.

Together with 88779499, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (88779499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44389748 + 44389749.

It is an arithmetic number, because the mean of its divisors is an integer number (44389749).

Almost surely, 288779497 is an apocalyptic number.

It is an amenable number.

88779497 is a deficient number, since it is larger than the sum of its proper divisors (1).

88779497 is an equidigital number, since it uses as much as digits as its factorization.

88779497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7112448, while the sum is 59.

The square root of 88779497 is about 9422.2872488584. The cubic root of 88779497 is about 446.1054818980.

The spelling of 88779497 in words is "eighty-eight million, seven hundred seventy-nine thousand, four hundred ninety-seven".