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1087157207 is a prime number
BaseRepresentation
bin100000011001100…
…1011001111010111
32210202200022022202
41000303023033113
54211303012312
6255513315115
735640453353
oct10063131727
92722608282
101087157207
11508743334
12264105a9b
131443051b6
14a4558463
156569a9c2
hex40ccb3d7

1087157207 has 2 divisors, whose sum is σ = 1087157208. Its totient is φ = 1087157206.

The previous prime is 1087157179. The next prime is 1087157231. The reversal of 1087157207 is 7027517801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1087157207 - 210 = 1087156183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1087157237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543578603 + 543578604.

It is an arithmetic number, because the mean of its divisors is an integer number (543578604).

Almost surely, 21087157207 is an apocalyptic number.

1087157207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1087157207 is an equidigital number, since it uses as much as digits as its factorization.

1087157207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27440, while the sum is 38.

The square root of 1087157207 is about 32972.0670719929. The cubic root of 1087157207 is about 1028.2469968124.

The spelling of 1087157207 in words is "one billion, eighty-seven million, one hundred fifty-seven thousand, two hundred seven".