Search a number
-
+
770488897 is a prime number
BaseRepresentation
bin101101111011001…
…011101001000001
31222200210220001211
4231323023221001
53034221121042
6204242130121
725044022213
oct5573135101
91880726054
10770488897
11365a14792
12196050941
13c381c5b9
14744865b3
1547998017
hex2decba41

770488897 has 2 divisors, whose sum is σ = 770488898. Its totient is φ = 770488896.

The previous prime is 770488879. The next prime is 770488951. The reversal of 770488897 is 798884077.

Together with previous prime (770488879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 595164816 + 175324081 = 24396^2 + 13241^2 .

It is a cyclic number.

It is not a de Polignac number, because 770488897 - 215 = 770456129 is a prime.

It is not a weakly prime, because it can be changed into another prime (770488877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385244448 + 385244449.

It is an arithmetic number, because the mean of its divisors is an integer number (385244449).

Almost surely, 2770488897 is an apocalyptic number.

It is an amenable number.

770488897 is a deficient number, since it is larger than the sum of its proper divisors (1).

770488897 is an equidigital number, since it uses as much as digits as its factorization.

770488897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6322176, while the sum is 58.

The square root of 770488897 is about 27757.6817655942. The cubic root of 770488897 is about 916.7595897572.

The spelling of 770488897 in words is "seven hundred seventy million, four hundred eighty-eight thousand, eight hundred ninety-seven".